31372808466 has 32 divisors (see below), whose sum is σ = 63548856000. Its totient is φ = 10324324800.

The previous prime is 31372808447. The next prime is 31372808477. The reversal of 31372808466 is 66480827313.

It is a super-2 number, since 2×31372808466² (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 15 ways as a sum of consecutive naturals, for example, 137325 + ... + 285663.

It is an arithmetic number, because the mean of its divisors is an integer number (1985901750).

Almost surely, 2^31372808466 is an apocalyptic number.

31372808466 is an abundant number, since it is smaller than the sum of its proper divisors (32176047534).

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

31372808466 is a wasteful number, since it uses less digits than its factorization.

31372808466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148794.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 31372808466 in words is "thirty-one billion, three hundred seventy-two million, eight hundred eight thousand, four hundred sixty-six".