312213323312237 has 2 divisors, whose sum is σ = 312213323312238. Its totient is φ = 312213323312236.

The previous prime is 312213323312203. The next prime is 312213323312243. The reversal of 312213323312237 is 732213323312213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267447134223721 + 44766189088516 = 16353811^2 + 6690754^2 .

It is a cyclic number.

It is not a de Polignac number, because 312213323312237 - 2¹² = 312213323308141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312213323312237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312213323311237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106661656118 + 156106661656119.

It is an arithmetic number, because the mean of its divisors is an integer number (156106661656119).

Almost surely, 2^{312213323312237} is an apocalyptic number.

It is an amenable number.

312213323312237 is a deficient number, since it is larger than the sum of its proper divisors (1).

312213323312237 is an equidigital number, since it uses as much as digits as its factorization.

312213323312237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 38.

The spelling of 312213323312237 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twelve thousand, two hundred thirty-seven".