31824400980 has 48 divisors (see below), whose sum is σ = 91982790144. Its totient is φ = 8212748160.

The previous prime is 31824400969. The next prime is 31824400997. The reversal of 31824400980 is 8900442813.

It is a congruent number.

It is an unprimeable number.

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, 8553087 + ... + 8556806.

It is an arithmetic number, because the mean of its divisors is an integer number (1916308128).

Almost surely, 2^31824400980 is an apocalyptic number.

31824400980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31824400980 is an abundant number, since it is smaller than the sum of its proper divisors (60158389164).

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

31824400980 is a wasteful number, since it uses less digits than its factorization.

31824400980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109936 (or 17109934 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 31824400980 in words is "thirty-one billion, eight hundred twenty-four million, four hundred thousand, nine hundred eighty".