312320113 has 16 divisors (see below), whose sum is σ = 360961920. Its totient is φ = 264700800.

The previous prime is 312320093. The next prime is 312320131. The reversal of 312320113 is 311023213.

It is a de Polignac number, because none of the positive numbers 2^k-312320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312320153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385653 + ... + 386461.

It is an arithmetic number, because the mean of its divisors is an integer number (22560120).

Almost surely, 2^312320113 is an apocalyptic number.

It is an amenable number.

312320113 is a deficient number, since it is larger than the sum of its proper divisors (48641807).

312320113 is a wasteful number, since it uses less digits than its factorization.

312320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 312320113 is about 17672.5808245429. The cubic root of 312320113 is about 678.4741689049.

Adding to 312320113 its reverse (311023213), we get a palindrome (623343326).

The spelling of 312320113 in words is "three hundred twelve million, three hundred twenty thousand, one hundred thirteen".