313230213031 has 2 divisors, whose sum is σ = 313230213032. Its totient is φ = 313230213030.

The previous prime is 313230213019. The next prime is 313230213047. The reversal of 313230213031 is 130312032313.

It is a weak prime.

It is an emirp because it is prime and its reverse (130312032313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313230213031 - 2²³ = 313221824423 is a prime.

It is a super-2 number, since 2×313230213031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313230212993 and 313230213011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313230213001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615106515 + 156615106516.

It is an arithmetic number, because the mean of its divisors is an integer number (156615106516).

Almost surely, 2^313230213031 is an apocalyptic number.

313230213031 is a deficient number, since it is larger than the sum of its proper divisors (1).

313230213031 is an equidigital number, since it uses as much as digits as its factorization.

313230213031 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 22.

Adding to 313230213031 its reverse (130312032313), we get a palindrome (443542245344).

The spelling of 313230213031 in words is "three hundred thirteen billion, two hundred thirty million, two hundred thirteen thousand, thirty-one".