31100113123032 has 16 divisors (see below), whose sum is σ = 77750282807640. Its totient is φ = 10366704374336.

The previous prime is 31100113122817. The next prime is 31100113123039. The reversal of 31100113123032 is 23032131100113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100113123039) 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 3 ways as a sum of consecutive naturals, for example, 647919023373 + ... + 647919023420.

Almost surely, 2^{31100113123032} is an apocalyptic number.

It is an amenable number.

31100113123032 is an abundant number, since it is smaller than the sum of its proper divisors (46650169684608).

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

31100113123032 is a wasteful number, since it uses less digits than its factorization.

31100113123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295838046802 (or 1295838046798 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31100113123032 its reverse (23032131100113), we get a palindrome (54132244223145).

The spelling of 31100113123032 in words is "thirty-one trillion, one hundred billion, one hundred thirteen million, one hundred twenty-three thousand, thirty-two".