331620104 has 16 divisors (see below), whose sum is σ = 643229100. Its totient is φ = 160092352.

The previous prime is 331620103. The next prime is 331620137. The reversal of 331620104 is 401026133.

It can be written as a sum of positive squares in 2 ways, for example, as 306600100 + 25020004 = 17510^2 + 5002^2 .

It is not an unprimeable number, because it can be changed into a prime (331620101) 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, 714467 + ... + 714930.

Almost surely, 2^331620104 is an apocalyptic number.

It is an amenable number.

331620104 is a deficient number, since it is larger than the sum of its proper divisors (311608996).

331620104 is a wasteful number, since it uses less digits than its factorization.

331620104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429432 (or 1429428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 331620104 is about 18210.4394235834. The cubic root of 331620104 is about 692.1713465231.

Adding to 331620104 its reverse (401026133), we get a palindrome (732646237).

The spelling of 331620104 in words is "three hundred thirty-one million, six hundred twenty thousand, one hundred four".