331880 has 16 divisors (see below), whose sum is σ = 746820. Its totient is φ = 132736.

The previous prime is 331871. The next prime is 331883. The reversal of 331880 is 88133.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 24964 = 554^2 + 158^2 .

It is a super-2 number, since 2×331880² = 220288668800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4109 + ... + 4188.

2³³¹⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

331880 is an abundant number, since it is smaller than the sum of its proper divisors (414940).

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

331880 is a wasteful number, since it uses less digits than its factorization.

331880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308 (or 8304 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 331880 is about 576.0902707042. The cubic root of 331880 is about 69.2352121239.

The spelling of 331880 in words is "three hundred thirty-one thousand, eight hundred eighty".