313344212131 has 4 divisors (see below), whose sum is σ = 326967873552. Its totient is φ = 299720550712.

The previous prime is 313344212107. The next prime is 313344212149. The reversal of 313344212131 is 131212443313.

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

It is a cyclic number.

It is not a de Polignac number, because 313344212131 - 2¹⁷ = 313344081059 is a prime.

It is a super-2 number, since 2×313344212131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313344212131.

It is not an unprimeable number, because it can be changed into a prime (313344212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6811830676 + ... + 6811830721.

It is an arithmetic number, because the mean of its divisors is an integer number (81741968388).

Almost surely, 2^313344212131 is an apocalyptic number.

313344212131 is a deficient number, since it is larger than the sum of its proper divisors (13623661421).

313344212131 is a wasteful number, since it uses less digits than its factorization.

313344212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623661420.

The product of its digits is 5184, while the sum is 28.

Adding to 313344212131 its reverse (131212443313), we get a palindrome (444556655444).

The spelling of 313344212131 in words is "three hundred thirteen billion, three hundred forty-four million, two hundred twelve thousand, one hundred thirty-one".