313162949819 has 2 divisors, whose sum is σ = 313162949820. Its totient is φ = 313162949818.

The previous prime is 313162949797. The next prime is 313162949831. The reversal of 313162949819 is 918949261313.

It is a strong prime.

It is an emirp because it is prime and its reverse (918949261313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313162949819 - 2²⁰ = 313161901243 is a prime.

It is a super-2 number, since 2×313162949819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313162949119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156581474909 + 156581474910.

It is an arithmetic number, because the mean of its divisors is an integer number (156581474910).

Almost surely, 2^313162949819 is an apocalyptic number.

313162949819 is a deficient number, since it is larger than the sum of its proper divisors (1).

313162949819 is an equidigital number, since it uses as much as digits as its factorization.

313162949819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 56.

The spelling of 313162949819 in words is "three hundred thirteen billion, one hundred sixty-two million, nine hundred forty-nine thousand, eight hundred nineteen".