31000068600064 has 72 divisors (see below), whose sum is σ = 64572374143872. Its totient is φ = 14825445212160.

The previous prime is 31000068600031. The next prime is 31000068600077. The reversal of 31000068600064 is 46000686000013.

It is a super-3 number, since 3×31000068600064³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 144036597 + ... + 144251659.

It is an arithmetic number, because the mean of its divisors is an integer number (896838529776).

Almost surely, 2^{31000068600064} is an apocalyptic number.

It is an amenable number.

31000068600064 is an abundant number, since it is smaller than the sum of its proper divisors (33572305543808).

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

31000068600064 is a wasteful number, since it uses less digits than its factorization.

31000068600064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239583 (or 239569 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 31000068600064 in words is "thirty-one trillion, sixty-eight million, six hundred thousand, sixty-four".