331400 has 24 divisors (see below), whose sum is σ = 770970. Its totient is φ = 132480.

The previous prime is 331399. The next prime is 331423. The reversal of 331400 is 4133.

It can be written as a sum of positive squares in 3 ways, for example, as 217156 + 114244 = 466^2 + 338^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629 + ... + 1028.

2³³¹⁴⁰⁰ is an apocalyptic number.

It is an amenable number.

331400 is an abundant number, since it is smaller than the sum of its proper divisors (439570).

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

331400 is a wasteful number, since it uses less digits than its factorization.

331400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 331400 is about 575.6735185850. The cubic root of 331400 is about 69.2018175873.

Adding to 331400 its reverse (4133), we get a palindrome (335533).

The spelling of 331400 in words is "three hundred thirty-one thousand, four hundred".