312131330204263 has 2 divisors, whose sum is σ = 312131330204264. Its totient is φ = 312131330204262.

The previous prime is 312131330204231. The next prime is 312131330204293. The reversal of 312131330204263 is 362402033131213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312131330204263 - 2⁵ = 312131330204231 is a prime.

It is a super-2 number, since 2×312131330204263² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312131330204293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065665102131 + 156065665102132.

It is an arithmetic number, because the mean of its divisors is an integer number (156065665102132).

Almost surely, 2^{312131330204263} is an apocalyptic number.

312131330204263 is a deficient number, since it is larger than the sum of its proper divisors (1).

312131330204263 is an equidigital number, since it uses as much as digits as its factorization.

312131330204263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 312131330204263 its reverse (362402033131213), we get a palindrome (674533363335476).

The spelling of 312131330204263 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred thirty million, two hundred four thousand, two hundred sixty-three".