313808625919 has 2 divisors, whose sum is σ = 313808625920. Its totient is φ = 313808625918.

The previous prime is 313808625841. The next prime is 313808625937. The reversal of 313808625919 is 919526808313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313808625919 - 2¹¹ = 313808623871 is a prime.

It is a super-2 number, since 2×313808625919² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313808625919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313808625959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156904312959 + 156904312960.

It is an arithmetic number, because the mean of its divisors is an integer number (156904312960).

Almost surely, 2^313808625919 is an apocalyptic number.

313808625919 is a deficient number, since it is larger than the sum of its proper divisors (1).

313808625919 is an equidigital number, since it uses as much as digits as its factorization.

313808625919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 313808625919 in words is "three hundred thirteen billion, eight hundred eight million, six hundred twenty-five thousand, nine hundred nineteen".