31381488260 has 48 divisors (see below), whose sum is σ = 66725854272. Its totient is φ = 12395644800.

The previous prime is 31381488253. The next prime is 31381488269. The reversal of 31381488260 is 6288418313.

It is not an unprimeable number, because it can be changed into a prime (31381488269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788750 + ... + 6793370.

It is an arithmetic number, because the mean of its divisors is an integer number (1390121964).

Almost surely, 2^31381488260 is an apocalyptic number.

It is an amenable number.

31381488260 is an abundant number, since it is smaller than the sum of its proper divisors (35344366012).

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

31381488260 is a wasteful number, since it uses less digits than its factorization.

31381488260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804 (or 8802 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 31381488260 in words is "thirty-one billion, three hundred eighty-one million, four hundred eighty-eight thousand, two hundred sixty".