31311323100032 has 64 divisors (see below), whose sum is σ = 66049508624400. Its totient is φ = 14734252498944.

The previous prime is 31311323100023. The next prime is 31311323100067. The reversal of 31311323100032 is 23000132311313.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 31311323099980 and 31311323100007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70308719 + ... + 70752657.

Almost surely, 2^{31311323100032} is an apocalyptic number.

31311323100032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31311323100032 is an abundant number, since it is smaller than the sum of its proper divisors (34738185524368).

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

31311323100032 is a wasteful number, since it uses less digits than its factorization.

31311323100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476383 (or 476371 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31311323100032 its reverse (23000132311313), we get a palindrome (54311455411345).

The spelling of 31311323100032 in words is "thirty-one trillion, three hundred eleven billion, three hundred twenty-three million, one hundred thousand, thirty-two".