312013220314330 has 16 divisors (see below), whose sum is σ = 561642114321864. Its totient is φ = 124801217513280.

The previous prime is 312013220314307. The next prime is 312013220314339. The reversal of 312013220314330 is 33413022310213.

It can be written as a sum of positive squares in 4 ways, for example, as 307994883347089 + 4018336967241 = 17549783^2 + 2004579^2 .

It is not an unprimeable number, because it can be changed into a prime (312013220314339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508504617 + ... + 509117836.

Almost surely, 2^{312013220314330} is an apocalyptic number.

312013220314330 is a deficient number, since it is larger than the sum of its proper divisors (249628894007534).

312013220314330 is a wasteful number, since it uses less digits than its factorization.

312013220314330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017653121.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 312013220314330 its reverse (33413022310213), we get a palindrome (345426242624543).

The spelling of 312013220314330 in words is "three hundred twelve trillion, thirteen billion, two hundred twenty million, three hundred fourteen thousand, three hundred thirty".