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202131315132320 = 25571371317331303
BaseRepresentation
bin101101111101011001011101…
…001111001000011110100000
3222111200120020220001210112202
4231331121131033020132200
5202443204413133213240
61553521502205312332
760401335264114130
oct5575313517103640
9874616226053482
10202131315132320
1159450455926682
121a8064a05656a8
1388a2b94000682
1437cb2ca4bcac0
151857d755ae315
hexb7d65d3c87a0

202131315132320 has 96 divisors (see below), whose sum is σ = 549738161134848. Its totient is φ = 68796309915648.

The previous prime is 202131315132283. The next prime is 202131315132347. The reversal of 202131315132320 is 23231513131202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658512212 + ... + 658819091.

It is an arithmetic number, because the mean of its divisors is an integer number (5726439178488).

Almost surely, 2202131315132320 is an apocalyptic number.

202131315132320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202131315132320 is an abundant number, since it is smaller than the sum of its proper divisors (347606846002528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202131315132320 is a wasteful number, since it uses less digits than its factorization.

202131315132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317331462 (or 1317331454 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 202131315132320 its reverse (23231513131202), we get a palindrome (225362828263522).

The spelling of 202131315132320 in words is "two hundred two trillion, one hundred thirty-one billion, three hundred fifteen million, one hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 137 140 160 224 274 280 548 560 685 959 1096 1120 1370 1918 2192 2740 3836 4384 4795 5480 7672 9590 10960 15344 19180 21920 30688 38360 76720 153440 1317331303 2634662606 5269325212 6586656515 9221319121 10538650424 13173313030 18442638242 21077300848 26346626060 36885276484 42154601696 46106595605 52693252120 73770552968 92213191210 105386504240 147541105936 180474388511 184426382420 210773008480 295082211872 360948777022 368852764840 721897554044 737705529680 902371942555 1263320719577 1443795108088 1475411059360 1804743885110 2526641439154 2887590216176 3609487770220 5053282878308 5775180432352 6316603597885 7218975540440 10106565756616 12633207195770 14437951080880 20213131513232 25266414391540 28875902161760 40426263026464 50532828783080 101065657566160 202131315132320