19316484331 has 2 divisors, whose sum is σ = 19316484332. Its totient is φ = 19316484330.

The previous prime is 19316484329. The next prime is 19316484353. The reversal of 19316484331 is 13348461391.

It is a weak prime.

It is an emirp because it is prime and its reverse (13348461391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19316484331 - 2¹ = 19316484329 is a prime.

It is a super-2 number, since 2×19316484331² (a number of 21 digits) contains 22 as substring.

Together with 19316484329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19316484371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9658242165 + 9658242166.

It is an arithmetic number, because the mean of its divisors is an integer number (9658242166).

Almost surely, 2^19316484331 is an apocalyptic number.

19316484331 is a deficient number, since it is larger than the sum of its proper divisors (1).

19316484331 is an equidigital number, since it uses as much as digits as its factorization.

19316484331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The spelling of 19316484331 in words is "nineteen billion, three hundred sixteen million, four hundred eighty-four thousand, three hundred thirty-one".