313112101331 has 8 divisors (see below), whose sum is σ = 315047807424. Its totient is φ = 311176575720.

The previous prime is 313112101327. The next prime is 313112101333. The reversal of 313112101331 is 133101211313.

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 313112101331 - 2² = 313112101327 is a prime.

It is a super-2 number, since 2×313112101331² (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 (313112101333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5623016 + ... + 5678426.

It is an arithmetic number, because the mean of its divisors is an integer number (39380975928).

Almost surely, 2^313112101331 is an apocalyptic number.

313112101331 is a deficient number, since it is larger than the sum of its proper divisors (1935706093).

313112101331 is a wasteful number, since it uses less digits than its factorization.

313112101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90241.

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

Adding to 313112101331 its reverse (133101211313), we get a palindrome (446213312644).

The spelling of 313112101331 in words is "three hundred thirteen billion, one hundred twelve million, one hundred one thousand, three hundred thirty-one".