31795560654 has 64 divisors (see below), whose sum is σ = 74763682560. Its totient is φ = 8887288320.

The previous prime is 31795560553. The next prime is 31795560701. The reversal of 31795560654 is 45606559713.

It is a junction number, because it is equal to n+sod(n) for n = 31795560597 and 31795560606.

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, 1211382 + ... + 1237350.

It is an arithmetic number, because the mean of its divisors is an integer number (1168182540).

Almost surely, 2^31795560654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31795560654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37381841280).

31795560654 is an abundant number, since it is smaller than the sum of its proper divisors (42968121906).

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

31795560654 is a wasteful number, since it uses less digits than its factorization.

31795560654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27425.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 31795560654 in words is "thirty-one billion, seven hundred ninety-five million, five hundred sixty thousand, six hundred fifty-four".