31667344012 has 12 divisors (see below), whose sum is σ = 57827324016. Its totient is φ = 15145251440.

The previous prime is 31667343979. The next prime is 31667344057. The reversal of 31667344012 is 21044376613.

It is a super-2 number, since 2×31667344012² (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 3 ways as a sum of consecutive naturals, for example, 172105039 + ... + 172105222.

It is an arithmetic number, because the mean of its divisors is an integer number (4818943668).

Almost surely, 2^31667344012 is an apocalyptic number.

It is an amenable number.

31667344012 is a deficient number, since it is larger than the sum of its proper divisors (26159980004).

31667344012 is a wasteful number, since it uses less digits than its factorization.

31667344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344210288 (or 344210286 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 31667344012 in words is "thirty-one billion, six hundred sixty-seven million, three hundred forty-four thousand, twelve".