31446940734 has 24 divisors (see below), whose sum is σ = 74329133112. Its totient is φ = 9529375920.

The previous prime is 31446940703. The next prime is 31446940769. The reversal of 31446940734 is 43704964413.

It is a self number, because there is not a number n which added to its sum of digits gives 31446940734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79411269 + ... + 79411664.

It is an arithmetic number, because the mean of its divisors is an integer number (3097047213).

Almost surely, 2^31446940734 is an apocalyptic number.

31446940734 is an abundant number, since it is smaller than the sum of its proper divisors (42882192378).

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

31446940734 is a wasteful number, since it uses less digits than its factorization.

31446940734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158822952 (or 158822949 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 31446940734 in words is "thirty-one billion, four hundred forty-six million, nine hundred forty thousand, seven hundred thirty-four".