312062891117 has 2 divisors, whose sum is σ = 312062891118. Its totient is φ = 312062891116.

The previous prime is 312062891089. The next prime is 312062891137. The reversal of 312062891117 is 711198260213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286716340681 + 25346550436 = 535459^2 + 159206^2 .

It is a cyclic number.

It is not a de Polignac number, because 312062891117 - 2¹⁸ = 312062628973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312062891137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156031445558 + 156031445559.

It is an arithmetic number, because the mean of its divisors is an integer number (156031445559).

Almost surely, 2^312062891117 is an apocalyptic number.

It is an amenable number.

312062891117 is a deficient number, since it is larger than the sum of its proper divisors (1).

312062891117 is an equidigital number, since it uses as much as digits as its factorization.

312062891117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 312062891117 in words is "three hundred twelve billion, sixty-two million, eight hundred ninety-one thousand, one hundred seventeen".