313318164413 has 4 divisors (see below), whose sum is σ = 313326308988. Its totient is φ = 313310019840.

The previous prime is 313318164361. The next prime is 313318164421. The reversal of 313318164413 is 314461813313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96722866009 + 216595298404 = 311003^2 + 465398^2 .

It is a cyclic number.

It is not a de Polignac number, because 313318164413 - 2¹² = 313318160317 is a prime.

It is a super-2 number, since 2×313318164413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313318164113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4014308 + ... + 4091613.

It is an arithmetic number, because the mean of its divisors is an integer number (78331577247).

Almost surely, 2^313318164413 is an apocalyptic number.

It is an amenable number.

313318164413 is a deficient number, since it is larger than the sum of its proper divisors (8144575).

313318164413 is an equidigital number, since it uses as much as digits as its factorization.

313318164413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144574.

The product of its digits is 62208, while the sum is 38.

Adding to 313318164413 its reverse (314461813313), we get a palindrome (627779977726).

The spelling of 313318164413 in words is "three hundred thirteen billion, three hundred eighteen million, one hundred sixty-four thousand, four hundred thirteen".