31103210000032 has 96 divisors (see below), whose sum is σ = 62822561376960. Its totient is φ = 15153435832320.

The previous prime is 31103210000017. The next prime is 31103210000113. The reversal of 31103210000032 is 23000001230113.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 31103209999970 and 31103210000015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114653032 + ... + 114923992.

It is an arithmetic number, because the mean of its divisors is an integer number (654401681010).

Almost surely, 2^{31103210000032} is an apocalyptic number.

31103210000032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31103210000032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31411280688480).

31103210000032 is an abundant number, since it is smaller than the sum of its proper divisors (31719351376928).

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

31103210000032 is a wasteful number, since it uses less digits than its factorization.

31103210000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271566 (or 271558 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31103210000032 its reverse (23000001230113), we get a palindrome (54103211230145).

The spelling of 31103210000032 in words is "thirty-one trillion, one hundred three billion, two hundred ten million, thirty-two", and thus it is an aban number.