319817934971 has 2 divisors, whose sum is σ = 319817934972. Its totient is φ = 319817934970.

The previous prime is 319817934923. The next prime is 319817935051. The reversal of 319817934971 is 179439718913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 319817934971 - 2¹⁸ = 319817672827 is a prime.

It is a super-2 number, since 2×319817934971² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319817934071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159908967485 + 159908967486.

It is an arithmetic number, because the mean of its divisors is an integer number (159908967486).

Almost surely, 2^319817934971 is an apocalyptic number.

319817934971 is a deficient number, since it is larger than the sum of its proper divisors (1).

319817934971 is an equidigital number, since it uses as much as digits as its factorization.

319817934971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 62.

The spelling of 319817934971 in words is "three hundred nineteen billion, eight hundred seventeen million, nine hundred thirty-four thousand, nine hundred seventy-one".