313000131121 has 12 divisors (see below), whose sum is σ = 318679137216. Its totient is φ = 307417024040.

The previous prime is 313000131083. The next prime is 313000131163. The reversal of 313000131121 is 121131000313.

It is a de Polignac number, because none of the positive numbers 2^k-313000131121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313000131095 and 313000131104.

It is not an unprimeable number, because it can be changed into a prime (313000131221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207740 + ... + 1443826.

It is an arithmetic number, because the mean of its divisors is an integer number (26556594768).

Almost surely, 2^313000131121 is an apocalyptic number.

It is an amenable number.

313000131121 is a deficient number, since it is larger than the sum of its proper divisors (5679006095).

313000131121 is an equidigital number, since it uses as much as digits as its factorization.

313000131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236492 (or 236421 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 313000131121 its reverse (121131000313), we get a palindrome (434131131434).

The spelling of 313000131121 in words is "three hundred thirteen billion, one hundred thirty-one thousand, one hundred twenty-one".