312123331259 has 2 divisors, whose sum is σ = 312123331260. Its totient is φ = 312123331258.

The previous prime is 312123331211. The next prime is 312123331271. The reversal of 312123331259 is 952133321213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312123331259 - 2²⁰ = 312122282683 is a prime.

It is not a weakly prime, because it can be changed into another prime (312122331259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061665629 + 156061665630.

It is an arithmetic number, because the mean of its divisors is an integer number (156061665630).

Almost surely, 2^312123331259 is an apocalyptic number.

312123331259 is a deficient number, since it is larger than the sum of its proper divisors (1).

312123331259 is an equidigital number, since it uses as much as digits as its factorization.

312123331259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The spelling of 312123331259 in words is "three hundred twelve billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred fifty-nine".