100613112531 has 16 divisors (see below), whose sum is σ = 135646837920. Its totient is φ = 66329043200.

The previous prime is 100613112493. The next prime is 100613112533. The reversal of 100613112531 is 135211316001.

It is not a de Polignac number, because 100613112531 - 2²² = 100608918227 is a prime.

It is a super-2 number, since 2×100613112531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100613112533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39901 + ... + 450353.

It is an arithmetic number, because the mean of its divisors is an integer number (8477927370).

Almost surely, 2^100613112531 is an apocalyptic number.

100613112531 is a deficient number, since it is larger than the sum of its proper divisors (35033725389).

100613112531 is a wasteful number, since it uses less digits than its factorization.

100613112531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411366.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 100613112531 its reverse (135211316001), we get a palindrome (235824428532).

The spelling of 100613112531 in words is "one hundred billion, six hundred thirteen million, one hundred twelve thousand, five hundred thirty-one".