331401032 has 32 divisors (see below), whose sum is σ = 640899000. Its totient is φ = 160550400.

The previous prime is 331401029. The next prime is 331401071. The reversal of 331401032 is 230104133.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119814916 + 211586116 = 10946^2 + 14546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331401032.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45482 + ... + 52262.

Almost surely, 2^331401032 is an apocalyptic number.

It is an amenable number.

331401032 is a deficient number, since it is larger than the sum of its proper divisors (309497968).

331401032 is a wasteful number, since it uses less digits than its factorization.

331401032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331401032 is about 18204.4234184991. The cubic root of 331401032 is about 692.0188942016.

Adding to 331401032 its reverse (230104133), we get a palindrome (561505165).

The spelling of 331401032 in words is "three hundred thirty-one million, four hundred one thousand, thirty-two".