312130859 has 2 divisors, whose sum is σ = 312130860. Its totient is φ = 312130858.

The previous prime is 312130843. The next prime is 312130873. The reversal of 312130859 is 958031213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312130859 - 2⁴ = 312130843 is a prime.

It is not a weakly prime, because it can be changed into another prime (312130459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065429 + 156065430.

It is an arithmetic number, because the mean of its divisors is an integer number (156065430).

Almost surely, 2^312130859 is an apocalyptic number.

312130859 is a deficient number, since it is larger than the sum of its proper divisors (1).

312130859 is an equidigital number, since it uses as much as digits as its factorization.

312130859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 312130859 is about 17667.2255603420. The cubic root of 312130859 is about 678.3370981136.

The spelling of 312130859 in words is "three hundred twelve million, one hundred thirty thousand, eight hundred fifty-nine".