31260980 has 24 divisors (see below), whose sum is σ = 65808288. Its totient is φ = 12473888.

The previous prime is 31260953. The next prime is 31260991. The reversal of 31260980 is 8906213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7667 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (2742012).

Almost surely, 2^31260980 is an apocalyptic number.

It is an amenable number.

31260980 is an abundant number, since it is smaller than the sum of its proper divisors (34547308).

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

31260980 is a wasteful number, since it uses less digits than its factorization.

31260980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 31260980 is about 5591.1519385543. The cubic root of 31260980 is about 315.0171486423.

The spelling of 31260980 in words is "thirty-one million, two hundred sixty thousand, nine hundred eighty".