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131034332220 = 223511198536867
BaseRepresentation
bin111101000001001000…
…0010011110000111100
3110112020000012202200120
41322002100103300330
54121324242112340
6140110224254540
712316103306121
oct1720220236074
9415200182616
10131034332220
1150631512250
122148b171450
13c48327282c
1464b09d2748
15361da774d0
hex1e82413c3c

131034332220 has 48 divisors (see below), whose sum is σ = 400250325888. Its totient is φ = 31765898560.

The previous prime is 131034332213. The next prime is 131034332237. The reversal of 131034332220 is 22233430131.

It is a congruent number.

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, 99267774 + ... + 99269093.

It is an arithmetic number, because the mean of its divisors is an integer number (8338548456).

Almost surely, 2131034332220 is an apocalyptic number.

131034332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131034332220 is an abundant number, since it is smaller than the sum of its proper divisors (269215993668).

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

131034332220 is a wasteful number, since it uses less digits than its factorization.

131034332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198536890 (or 198536888 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 131034332220 its reverse (22233430131), we get a palindrome (153267762351).

The spelling of 131034332220 in words is "one hundred thirty-one billion, thirty-four million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 198536867 397073734 595610601 794147468 992684335 1191221202 1985368670 2183905537 2382442404 2978053005 3970737340 4367811074 5956106010 6551716611 8735622148 10919527685 11912212020 13103433222 21839055370 26206866444 32758583055 43678110740 65517166110 131034332220