312220323332313 has 32 divisors (see below), whose sum is σ = 485521163292672. Its totient is φ = 176364525062400.

The previous prime is 312220323332311. The next prime is 312220323332327. The reversal of 312220323332313 is 313233323022213.

It is not a de Polignac number, because 312220323332313 - 2¹ = 312220323332311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (312220323332311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2701604673 + ... + 2701720238.

It is an arithmetic number, because the mean of its divisors is an integer number (15172536352896).

Almost surely, 2^{312220323332313} is an apocalyptic number.

312220323332313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312220323332313 is a deficient number, since it is larger than the sum of its proper divisors (173300839960359).

312220323332313 is a wasteful number, since it uses less digits than its factorization.

312220323332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403325045.

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 312220323332313 its reverse (313233323022213), we get a palindrome (625453646354526).

The spelling of 312220323332313 in words is "three hundred twelve trillion, two hundred twenty billion, three hundred twenty-three million, three hundred thirty-two thousand, three hundred thirteen".