331900880 has 40 divisors (see below), whose sum is σ = 796568064. Its totient is φ = 128476800.

The previous prime is 331900867. The next prime is 331900889. The reversal of 331900880 is 88009133.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×331900880² = 220316388289548800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331900889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64436 + ... + 69395.

Almost surely, 2^331900880 is an apocalyptic number.

It is an amenable number.

331900880 is an abundant number, since it is smaller than the sum of its proper divisors (464667184).

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

331900880 is a wasteful number, since it uses less digits than its factorization.

331900880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133875 (or 133869 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 331900880 is about 18218.1469968820. The cubic root of 331900880 is about 692.3666405519.

The spelling of 331900880 in words is "three hundred thirty-one million, nine hundred thousand, eight hundred eighty".