31322605561464 has 128 divisors (see below), whose sum is σ = 91938607488000. Its totient is φ = 8706021903360.

The previous prime is 31322605561427. The next prime is 31322605561477. The reversal of 31322605561464 is 46416550622313.

It is a super-2 number, since 2×31322605561464² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4111012 + ... + 8918835.

It is an arithmetic number, because the mean of its divisors is an integer number (718270371000).

Almost surely, 2^{31322605561464} is an apocalyptic number.

It is an amenable number.

31322605561464 is an abundant number, since it is smaller than the sum of its proper divisors (60616001926536).

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

31322605561464 is a wasteful number, since it uses less digits than its factorization.

31322605561464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030253 (or 13030249 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 31322605561464 in words is "thirty-one trillion, three hundred twenty-two billion, six hundred five million, five hundred sixty-one thousand, four hundred sixty-four".