31325053044 has 48 divisors (see below), whose sum is σ = 78129959040. Its totient is φ = 9744092160.

The previous prime is 31325053033. The next prime is 31325053049. The reversal of 31325053044 is 44035052313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325053049) 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, 1372789 + ... + 1395420.

It is an arithmetic number, because the mean of its divisors is an integer number (1627707480).

Almost surely, 2^31325053044 is an apocalyptic number.

It is an amenable number.

31325053044 is an abundant number, since it is smaller than the sum of its proper divisors (46804905996).

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

31325053044 is a wasteful number, since it uses less digits than its factorization.

31325053044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768280 (or 2768278 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 31325053044 in words is "thirty-one billion, three hundred twenty-five million, fifty-three thousand, forty-four".