313330123031 has 4 divisors (see below), whose sum is σ = 317296327200. Its totient is φ = 309363918864.

The previous prime is 313330123003. The next prime is 313330123079. The reversal of 313330123031 is 130321033313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130321033313 = 53 ⋅2458887421.

It is a cyclic number.

It is not a de Polignac number, because 313330123031 - 2³⁸ = 38452216087 is a prime.

It is a super-2 number, since 2×313330123031² (a number of 24 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 = 313330122988 and 313330123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313330123231) 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, 1983101966 + ... + 1983102123.

It is an arithmetic number, because the mean of its divisors is an integer number (79324081800).

Almost surely, 2^313330123031 is an apocalyptic number.

313330123031 is a deficient number, since it is larger than the sum of its proper divisors (3966204169).

313330123031 is an equidigital number, since it uses as much as digits as its factorization.

313330123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966204168.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 313330123031 its reverse (130321033313), we get a palindrome (443651156344).

The spelling of 313330123031 in words is "three hundred thirteen billion, three hundred thirty million, one hundred twenty-three thousand, thirty-one".