313811872903 has 2 divisors, whose sum is σ = 313811872904. Its totient is φ = 313811872902.

The previous prime is 313811872823. The next prime is 313811872951. The reversal of 313811872903 is 309278118313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313811872903 - 2⁹ = 313811872391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313811870903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156905936451 + 156905936452.

It is an arithmetic number, because the mean of its divisors is an integer number (156905936452).

Almost surely, 2^313811872903 is an apocalyptic number.

313811872903 is a deficient number, since it is larger than the sum of its proper divisors (1).

313811872903 is an equidigital number, since it uses as much as digits as its factorization.

313811872903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 313811872903 in words is "three hundred thirteen billion, eight hundred eleven million, eight hundred seventy-two thousand, nine hundred three".