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31411034220 = 22352373311803
BaseRepresentation
bin11101010000001111…
…100101100001101100
310000002002101212102210
4131100033211201230
51003312211043340
622232515250420
72161252246146
oct352017454154
9100062355383
1031411034220
1112359789a15
1261075a9a10
132c678080a7
14173d9cdc96
15c3c94d180
hex7503e586c

31411034220 has 96 divisors (see below), whose sum is σ = 93032335872. Its totient is φ = 7902309888.

The previous prime is 31411034159. The next prime is 31411034233. The reversal of 31411034220 is 2243011413.

It is a super-2 number, since 2×314110342202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55162 + ... + 256641.

It is an arithmetic number, because the mean of its divisors is an integer number (969086832).

Almost surely, 231411034220 is an apocalyptic number.

31411034220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31411034220 is an abundant number, since it is smaller than the sum of its proper divisors (61621301652).

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

31411034220 is a wasteful number, since it uses less digits than its factorization.

31411034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311911 (or 311909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31411034220 its reverse (2243011413), we get a palindrome (33654045633).

The spelling of 31411034220 in words is "thirty-one billion, four hundred eleven million, thirty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 73 92 115 138 146 219 230 276 292 345 365 438 460 690 730 876 1095 1380 1460 1679 2190 3358 4380 5037 6716 8395 10074 16790 20148 25185 33580 50370 100740 311803 623606 935409 1247212 1559015 1870818 3118030 3741636 4677045 6236060 7171469 9354090 14342938 18708180 21514407 22761619 28685876 35857345 43028814 45523238 68284857 71714690 86057628 91046476 107572035 113808095 136569714 143429380 215144070 227616190 273139428 341424285 430288140 455232380 523517237 682848570 1047034474 1365697140 1570551711 2094068948 2617586185 3141103422 5235172370 6282206844 7852758555 10470344740 15705517110 31411034220