331230323240 has 16 divisors (see below), whose sum is σ = 745268227380. Its totient is φ = 132492129280.

The previous prime is 331230323213. The next prime is 331230323261. The reversal of 331230323240 is 42323032133.

It can be written as a sum of positive squares in 2 ways, for example, as 316174542436 + 15055780804 = 562294^2 + 122702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4140379001 + ... + 4140379080.

Almost surely, 2^331230323240 is an apocalyptic number.

It is an amenable number.

331230323240 is an abundant number, since it is smaller than the sum of its proper divisors (414037904140).

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

331230323240 is a wasteful number, since it uses less digits than its factorization.

331230323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280758092 (or 8280758088 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 331230323240 its reverse (42323032133), we get a palindrome (373553355373).

The spelling of 331230323240 in words is "three hundred thirty-one billion, two hundred thirty million, three hundred twenty-three thousand, two hundred forty".