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31123322332113 = 31119238572080667
BaseRepresentation
bin1110001001110011101101…
…00100100110001111010001
311002012100201211211202100010
413010321312210212033101
513034411031004111423
6150105505031145133
76361404640564134
oct704716644461721
9132170654752303
1031123322332113
119a0a366089390
1235a7aa98151a9
131449bbbcc322b
1479853c08a21b
1538e8c800a693
hex1c4e769263d1

31123322332113 has 32 divisors (see below), whose sum is σ = 47654954058240. Its totient is φ = 17869092514560.

The previous prime is 31123322332073. The next prime is 31123322332169.

31123322332113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31123322332113 - 218 = 31123322069969 is a prime.

It is a super-2 number, since 2×311233223321132 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31123322339113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13918006 + ... + 15998672.

It is an arithmetic number, because the mean of its divisors is an integer number (1489217314320).

Almost surely, 231123322332113 is an apocalyptic number.

31123322332113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31123322332113 is a deficient number, since it is larger than the sum of its proper divisors (16531631726127).

31123322332113 is a wasteful number, since it uses less digits than its factorization.

31123322332113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104557.

The product of its digits is 11664, while the sum is 30.

It can be divided in two parts, 3112332 and 2332113, that added together give a palindrome (5444445).

The spelling of 31123322332113 in words is "thirty-one trillion, one hundred twenty-three billion, three hundred twenty-two million, three hundred thirty-two thousand, one hundred thirteen".

Divisors: 1 3 11 19 33 57 209 627 23857 71571 262427 453283 787281 1359849 2080667 4986113 6242001 14958339 22887337 39532673 68662011 118598019 434859403 1304578209 49638472619 148915417857 546023198809 943130979761 1638069596427 2829392939283 10374440777371 31123322332113