31425762680 has 128 divisors (see below), whose sum is σ = 79049779200. Its totient is φ = 11165299200.

The previous prime is 31425762679. The next prime is 31425762721. The reversal of 31425762680 is 8626752413.

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, 2880035 + ... + 2890925.

It is an arithmetic number, because the mean of its divisors is an integer number (617576400).

Almost surely, 2^31425762680 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 31425762680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39524889600).

31425762680 is an abundant number, since it is smaller than the sum of its proper divisors (47624016520).

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

31425762680 is a wasteful number, since it uses less digits than its factorization.

31425762680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 31425762680 in words is "thirty-one billion, four hundred twenty-five million, seven hundred sixty-two thousand, six hundred eighty".