31716277964472 has 128 divisors (see below), whose sum is σ = 82027008000000. Its totient is φ = 10213157725056.

The previous prime is 31716277964429. The next prime is 31716277964489. The reversal of 31716277964472 is 27446977261713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311752029 + ... + 311853747.

It is an arithmetic number, because the mean of its divisors is an integer number (640836000000).

Almost surely, 2^{31716277964472} 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 31716277964472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41013504000000).

31716277964472 is an abundant number, since it is smaller than the sum of its proper divisors (50310730035528).

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

31716277964472 is a wasteful number, since it uses less digits than its factorization.

31716277964472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105353 (or 105349 counting only the distinct ones).

The product of its digits is 149361408, while the sum is 66.

The spelling of 31716277964472 in words is "thirty-one trillion, seven hundred sixteen billion, two hundred seventy-seven million, nine hundred sixty-four thousand, four hundred seventy-two".