313023112031 has 4 divisors (see below), whose sum is σ = 357740699472. Its totient is φ = 268305524592.

The previous prime is 313023112007. The next prime is 313023112147. The reversal of 313023112031 is 130211320313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130211320313 = 273997 ⋅475229.

It is not a de Polignac number, because 313023112031 - 2²² = 313018917727 is a prime.

It is a super-2 number, since 2×313023112031² (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 = 313023111994 and 313023112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313023112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22358793710 + ... + 22358793723.

It is an arithmetic number, because the mean of its divisors is an integer number (89435174868).

Almost surely, 2^313023112031 is an apocalyptic number.

313023112031 is a deficient number, since it is larger than the sum of its proper divisors (44717587441).

313023112031 is an equidigital number, since it uses as much as digits as its factorization.

313023112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44717587440.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313023112031 its reverse (130211320313), we get a palindrome (443234432344).

The spelling of 313023112031 in words is "three hundred thirteen billion, twenty-three million, one hundred twelve thousand, thirty-one".