331204130 has 32 divisors (see below), whose sum is σ = 607186800. Its totient is φ = 130056192.

The previous prime is 331204091. The next prime is 331204147. The reversal of 331204130 is 31402133.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12117361 + 319086769 = 3481^2 + 17863^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331204099 and 331204108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121826 + ... + 124514.

Almost surely, 2^331204130 is an apocalyptic number.

331204130 is a deficient number, since it is larger than the sum of its proper divisors (275982670).

331204130 is a wasteful number, since it uses less digits than its factorization.

331204130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

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

The square root of 331204130 is about 18199.0145337598. The cubic root of 331204130 is about 691.8818126535.

Adding to 331204130 its reverse (31402133), we get a palindrome (362606263).

The spelling of 331204130 in words is "three hundred thirty-one million, two hundred four thousand, one hundred thirty".