313212012031 has 2 divisors, whose sum is σ = 313212012032. Its totient is φ = 313212012030.

The previous prime is 313212011989. The next prime is 313212012049. The reversal of 313212012031 is 130210212313.

It is a strong prime.

It is an emirp because it is prime and its reverse (130210212313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313212012031 - 2¹⁵ = 313211979263 is a prime.

It is a super-2 number, since 2×313212012031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313212012431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156606006015 + 156606006016.

It is an arithmetic number, because the mean of its divisors is an integer number (156606006016).

Almost surely, 2^313212012031 is an apocalyptic number.

313212012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

313212012031 is an equidigital number, since it uses as much as digits as its factorization.

313212012031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 313212012031 its reverse (130210212313), we get a palindrome (443422224344).

The spelling of 313212012031 in words is "three hundred thirteen billion, two hundred twelve million, twelve thousand, thirty-one".