31450614320 has 40 divisors (see below), whose sum is σ = 73130192880. Its totient is φ = 12578952960.

The previous prime is 31450614319. The next prime is 31450614337. The reversal of 31450614320 is 2341605413.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×31450614320² (a number of 22 digits) contains 22 as substring.

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, 1295090 + ... + 1319150.

It is an arithmetic number, because the mean of its divisors is an integer number (1828254822).

Almost surely, 2^31450614320 is an apocalyptic number.

It is an amenable number.

31450614320 is an abundant number, since it is smaller than the sum of its proper divisors (41679578560).

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

31450614320 is a wasteful number, since it uses less digits than its factorization.

31450614320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40413 (or 40407 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 31450614320 in words is "thirty-one billion, four hundred fifty million, six hundred fourteen thousand, three hundred twenty".