331004317312 has 32 divisors (see below), whose sum is σ = 675506153700. Its totient is φ = 161465518080.

The previous prime is 331004317277. The next prime is 331004317361. The reversal of 331004317312 is 213713400133.

It can be written as a sum of positive squares in 2 ways, for example, as 256789481536 + 74214835776 = 506744^2 + 272424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31530987 + ... + 31541482.

Almost surely, 2^331004317312 is an apocalyptic number.

331004317312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331004317312 is an abundant number, since it is smaller than the sum of its proper divisors (344501836388).

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

331004317312 is an equidigital number, since it uses as much as digits as its factorization.

331004317312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63072524 (or 63072512 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 331004317312 its reverse (213713400133), we get a palindrome (544717717445).

The spelling of 331004317312 in words is "three hundred thirty-one billion, four million, three hundred seventeen thousand, three hundred twelve".