319118332031 has 2 divisors, whose sum is σ = 319118332032. Its totient is φ = 319118332030.

The previous prime is 319118332009. The next prime is 319118332061. The reversal of 319118332031 is 130233811913.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 319118332031 - 2¹⁸ = 319118069887 is a prime.

It is a super-2 number, since 2×319118332031² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 319118331982 and 319118332000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319118332061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159559166015 + 159559166016.

It is an arithmetic number, because the mean of its divisors is an integer number (159559166016).

Almost surely, 2^319118332031 is an apocalyptic number.

319118332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

319118332031 is an equidigital number, since it uses as much as digits as its factorization.

319118332031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 319118332031 in words is "three hundred nineteen billion, one hundred eighteen million, three hundred thirty-two thousand, thirty-one".