31342545854664 has 96 divisors (see below), whose sum is σ = 86186612524320. Its totient is φ = 9491194240000.

The previous prime is 31342545854647. The next prime is 31342545854671. The reversal of 31342545854664 is 46645854524313.

It is a junction number, because it is equal to n+sod(n) for n = 31342545854598 and 31342545854607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494584 + ... + 7932824.

It is an arithmetic number, because the mean of its divisors is an integer number (897777213795).

Almost surely, 2^{31342545854664} 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 31342545854664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43093306262160).

31342545854664 is an abundant number, since it is smaller than the sum of its proper divisors (54844066669656).

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

31342545854664 is a wasteful number, since it uses less digits than its factorization.

31342545854664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439723 (or 7439708 counting only the distinct ones).

The product of its digits is 165888000, while the sum is 60.

The spelling of 31342545854664 in words is "thirty-one trillion, three hundred forty-two billion, five hundred forty-five million, eight hundred fifty-four thousand, six hundred sixty-four".