313012132331 has 2 divisors, whose sum is σ = 313012132332. Its totient is φ = 313012132330.

The previous prime is 313012132309. The next prime is 313012132343. The reversal of 313012132331 is 133231210313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313012132331 - 2¹⁴ = 313012115947 is a prime.

It is a super-2 number, since 2×313012132331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313012132297 and 313012132306.

It is not a weakly prime, because it can be changed into another prime (313012131331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506066165 + 156506066166.

It is an arithmetic number, because the mean of its divisors is an integer number (156506066166).

Almost surely, 2^313012132331 is an apocalyptic number.

313012132331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313012132331 is an equidigital number, since it uses as much as digits as its factorization.

313012132331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313012132331 its reverse (133231210313), we get a palindrome (446243342644).

The spelling of 313012132331 in words is "three hundred thirteen billion, twelve million, one hundred thirty-two thousand, three hundred thirty-one".