31853980960 has 48 divisors (see below), whose sum is σ = 75829545792. Its totient is φ = 12644320000.

The previous prime is 31853980937. The next prime is 31853981057. The reversal of 31853980960 is 6908935813.

It is a super-2 number, since 2×31853980960² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31853980898 and 31853980907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738916 + ... + 780835.

It is an arithmetic number, because the mean of its divisors is an integer number (1579782204).

Almost surely, 2^31853980960 is an apocalyptic number.

It is an amenable number.

31853980960 is an abundant number, since it is smaller than the sum of its proper divisors (43975564832).

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

31853980960 is a wasteful number, since it uses less digits than its factorization.

31853980960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519897 (or 1519889 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 31853980960 in words is "thirty-one billion, eight hundred fifty-three million, nine hundred eighty thousand, nine hundred sixty".