19313070911 has 2 divisors, whose sum is σ = 19313070912. Its totient is φ = 19313070910.

The previous prime is 19313070901. The next prime is 19313070913. The reversal of 19313070911 is 11907031391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19313070911 is a prime.

Together with 19313070913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19313070913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9656535455 + 9656535456.

It is an arithmetic number, because the mean of its divisors is an integer number (9656535456).

Almost surely, 2^19313070911 is an apocalyptic number.

19313070911 is a deficient number, since it is larger than the sum of its proper divisors (1).

19313070911 is an equidigital number, since it uses as much as digits as its factorization.

19313070911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 35.

The spelling of 19313070911 in words is "nineteen billion, three hundred thirteen million, seventy thousand, nine hundred eleven".