313246454891 has 2 divisors, whose sum is σ = 313246454892. Its totient is φ = 313246454890.

The previous prime is 313246454887. The next prime is 313246454893. The reversal of 313246454891 is 198454642313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313246454891 - 2² = 313246454887 is a prime.

Together with 313246454893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (313246454893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156623227445 + 156623227446.

It is an arithmetic number, because the mean of its divisors is an integer number (156623227446).

Almost surely, 2^313246454891 is an apocalyptic number.

313246454891 is a deficient number, since it is larger than the sum of its proper divisors (1).

313246454891 is an equidigital number, since it uses as much as digits as its factorization.

313246454891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 50.

The spelling of 313246454891 in words is "three hundred thirteen billion, two hundred forty-six million, four hundred fifty-four thousand, eight hundred ninety-one".