31880134224 has 60 divisors (see below), whose sum is σ = 92524557216. Its totient is φ = 10626710112.

The previous prime is 31880134201. The next prime is 31880134241. The reversal of 31880134224 is 42243108813.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 4095924 + ... + 4103699.

Almost surely, 2^31880134224 is an apocalyptic number.

It is an amenable number.

31880134224 is an abundant number, since it is smaller than the sum of its proper divisors (60644422992).

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

31880134224 is an equidigital number, since it uses as much as digits as its factorization.

31880134224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8199646 (or 8199628 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 31880134224 in words is "thirty-one billion, eight hundred eighty million, one hundred thirty-four thousand, two hundred twenty-four".