31364056644 has 24 divisors (see below), whose sum is σ = 73186178688. Its totient is φ = 10454202720.

The previous prime is 31364056627. The next prime is 31364056673. The reversal of 31364056644 is 44665046313.

It is a junction number, because it is equal to n+sod(n) for n = 31364056596 and 31364056605.

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, 293109 + ... + 385539.

It is an arithmetic number, because the mean of its divisors is an integer number (3049424112).

Almost surely, 2^31364056644 is an apocalyptic number.

It is an amenable number.

31364056644 is an abundant number, since it is smaller than the sum of its proper divisors (41822122044).

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

31364056644 is a wasteful number, since it uses less digits than its factorization.

31364056644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120715 (or 120713 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 31364056644 in words is "thirty-one billion, three hundred sixty-four million, fifty-six thousand, six hundred forty-four".