31278980048 has 40 divisors (see below), whose sum is σ = 60794555328. Its totient is φ = 15590138112.

The previous prime is 31278980041. The next prime is 31278980077. The reversal of 31278980048 is 84008987213.

It is a junction number, because it is equal to n+sod(n) for n = 31278979978 and 31278980005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31278980041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11527940 + ... + 11530652.

Almost surely, 2^31278980048 is an apocalyptic number.

It is an amenable number.

31278980048 is a deficient number, since it is larger than the sum of its proper divisors (29515575280).

31278980048 is a wasteful number, since it uses less digits than its factorization.

31278980048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4725 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 31278980048 in words is "thirty-one billion, two hundred seventy-eight million, nine hundred eighty thousand, forty-eight".