31670297847412 has 24 divisors (see below), whose sum is σ = 65052503688704. Its totient is φ = 13206147364512.

The previous prime is 31670297847407. The next prime is 31670297847427. The reversal of 31670297847412 is 21474879207613.

It is a happy number.

It is a congruent number.

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, 15284891748 + ... + 15284893819.

Almost surely, 2^{31670297847412} is an apocalyptic number.

It is an amenable number.

31670297847412 is an abundant number, since it is smaller than the sum of its proper divisors (33382205841292).

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

31670297847412 is a wasteful number, since it uses less digits than its factorization.

31670297847412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30569785615 (or 30569785613 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 31670297847412 in words is "thirty-one trillion, six hundred seventy billion, two hundred ninety-seven million, eight hundred forty-seven thousand, four hundred twelve".