31434914320 has 20 divisors (see below), whose sum is σ = 73086175980. Its totient is φ = 12573965696.

The previous prime is 31434914299. The next prime is 31434914339. The reversal of 31434914320 is 2341943413.

It can be written as a sum of positive squares in 2 ways, for example, as 7237245184 + 24197669136 = 85072^2 + 155556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196468135 + ... + 196468294.

It is an arithmetic number, because the mean of its divisors is an integer number (3654308799).

Almost surely, 2^31434914320 is an apocalyptic number.

It is an amenable number.

31434914320 is an abundant number, since it is smaller than the sum of its proper divisors (41651261660).

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

31434914320 is a wasteful number, since it uses less digits than its factorization.

31434914320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392936442 (or 392936436 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 31434914320 in words is "thirty-one billion, four hundred thirty-four million, nine hundred fourteen thousand, three hundred twenty".