31232311402332 has 48 divisors (see below), whose sum is σ = 73940082418944. Its totient is φ = 10258823904000.

The previous prime is 31232311402277. The next prime is 31232311402351. The reversal of 31232311402332 is 23320411323213.

It is a self number, because there is not a number n which added to its sum of digits gives 31232311402332.

It is a congruent number.

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, 7846669 + ... + 11137092.

It is an arithmetic number, because the mean of its divisors is an integer number (1540418383728).

Almost surely, 2^{31232311402332} is an apocalyptic number.

It is an amenable number.

31232311402332 is an abundant number, since it is smaller than the sum of its proper divisors (42707771016612).

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

31232311402332 is a wasteful number, since it uses less digits than its factorization.

31232311402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985770 (or 18985768 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 31232311402332 its reverse (23320411323213), we get a palindrome (54552722725545).

The spelling of 31232311402332 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred eleven million, four hundred two thousand, three hundred thirty-two".