31231122102032 has 40 divisors (see below), whose sum is σ = 65416539561600. Its totient is φ = 14393859967872.

The previous prime is 31231122102017. The next prime is 31231122102067. The reversal of 31231122102032 is 23020122113213.

It is a junction number, because it is equal to n+sod(n) for n = 31231122101989 and 31231122102007.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1388285432 + ... + 1388307927.

It is an arithmetic number, because the mean of its divisors is an integer number (1635413489040).

Almost surely, 2^{31231122102032} is an apocalyptic number.

It is an amenable number.

31231122102032 is an abundant number, since it is smaller than the sum of its proper divisors (34185417459568).

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

31231122102032 is a wasteful number, since it uses less digits than its factorization.

31231122102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776593423 (or 2776593417 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31231122102032 its reverse (23020122113213), we get a palindrome (54251244215245).

The spelling of 31231122102032 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred two thousand, thirty-two".