313321124103131 has 4 divisors (see below), whose sum is σ = 314267713602264. Its totient is φ = 312374534604000.

The previous prime is 313321124103049. The next prime is 313321124103157. The reversal of 313321124103131 is 131301421123313.

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 313321124103131 - 2⁴⁶ = 242952379925467 is a prime.

It is a super-2 number, since 2×313321124103131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313321124103094 and 313321124103103.

It is not an unprimeable number, because it can be changed into a prime (313321124105131) 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, 473294749070 + ... + 473294749731.

It is an arithmetic number, because the mean of its divisors is an integer number (78566928400566).

Almost surely, 2^{313321124103131} is an apocalyptic number.

313321124103131 is a deficient number, since it is larger than the sum of its proper divisors (946589499133).

313321124103131 is an equidigital number, since it uses as much as digits as its factorization.

313321124103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946589499132.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 313321124103131 its reverse (131301421123313), we get a palindrome (444622545226444).

The spelling of 313321124103131 in words is "three hundred thirteen trillion, three hundred twenty-one billion, one hundred twenty-four million, one hundred three thousand, one hundred thirty-one".