313011312131 has 8 divisors (see below), whose sum is σ = 369266801664. Its totient is φ = 259640719560.

The previous prime is 313011312049. The next prime is 313011312137. The reversal of 313011312131 is 131213110313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313011312131 - 2³⁴ = 295831442947 is a prime.

It is a super-2 number, since 2×313011312131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313011312137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721224005 + ... + 721224438.

It is an arithmetic number, because the mean of its divisors is an integer number (46158350208).

Almost surely, 2^313011312131 is an apocalyptic number.

313011312131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

313011312131 is a deficient number, since it is larger than the sum of its proper divisors (56255489533).

313011312131 is a wasteful number, since it uses less digits than its factorization.

313011312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442448481.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 313011312131 its reverse (131213110313), we get a palindrome (444224422444).

The spelling of 313011312131 in words is "three hundred thirteen billion, eleven million, three hundred twelve thousand, one hundred thirty-one".