312001204044157 has 2 divisors, whose sum is σ = 312001204044158. Its totient is φ = 312001204044156.

The previous prime is 312001204044143. The next prime is 312001204044227. The reversal of 312001204044157 is 751440402100213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201585788044281 + 110415415999876 = 14198091^2 + 10507874^2 .

It is a cyclic number.

It is not a de Polignac number, because 312001204044157 - 2²³ = 312001195655549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312001204044757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156000602022078 + 156000602022079.

It is an arithmetic number, because the mean of its divisors is an integer number (156000602022079).

Almost surely, 2^{312001204044157} is an apocalyptic number.

It is an amenable number.

312001204044157 is a deficient number, since it is larger than the sum of its proper divisors (1).

312001204044157 is an equidigital number, since it uses as much as digits as its factorization.

312001204044157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 312001204044157 in words is "three hundred twelve trillion, one billion, two hundred four million, forty-four thousand, one hundred fifty-seven".