312162298213 has 2 divisors, whose sum is σ = 312162298214. Its totient is φ = 312162298212.

The previous prime is 312162298207. The next prime is 312162298223. The reversal of 312162298213 is 312892261213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174537621729 + 137624676484 = 417777^2 + 370978^2 .

It is a cyclic number.

It is not a de Polignac number, because 312162298213 - 2⁹ = 312162297701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312162298223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156081149106 + 156081149107.

It is an arithmetic number, because the mean of its divisors is an integer number (156081149107).

Almost surely, 2^312162298213 is an apocalyptic number.

It is an amenable number.

312162298213 is a deficient number, since it is larger than the sum of its proper divisors (1).

312162298213 is an equidigital number, since it uses as much as digits as its factorization.

312162298213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The spelling of 312162298213 in words is "three hundred twelve billion, one hundred sixty-two million, two hundred ninety-eight thousand, two hundred thirteen".