31470664000 has 112 divisors (see below), whose sum is σ = 78016882320. Its totient is φ = 12575385600.

The previous prime is 31470663977. The next prime is 31470664013. The reversal of 31470664000 is 46607413.

It can be written as a sum of positive squares in 8 ways, for example, as 14975885376 + 16494778624 = 122376^2 + 128432^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13350822 + ... + 13353178.

Almost surely, 2^31470664000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31470664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39008441160).

31470664000 is an abundant number, since it is smaller than the sum of its proper divisors (46546218320).

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

31470664000 is a wasteful number, since it uses less digits than its factorization.

31470664000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 31470664000 in words is "thirty-one billion, four hundred seventy million, six hundred sixty-four thousand".