312131101200979 has 2 divisors, whose sum is σ = 312131101200980. Its totient is φ = 312131101200978.

The previous prime is 312131101200977. The next prime is 312131101201013. The reversal of 312131101200979 is 979002101131213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312131101200979 - 2¹ = 312131101200977 is a prime.

Together with 312131101200977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (312131101200973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156065550600489 + 156065550600490.

It is an arithmetic number, because the mean of its divisors is an integer number (156065550600490).

Almost surely, 2^{312131101200979} is an apocalyptic number.

312131101200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

312131101200979 is an equidigital number, since it uses as much as digits as its factorization.

312131101200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 312131101200979 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred one million, two hundred thousand, nine hundred seventy-nine".