319686130860731 has 2 divisors, whose sum is σ = 319686130860732. Its totient is φ = 319686130860730.

The previous prime is 319686130860653. The next prime is 319686130860773. The reversal of 319686130860731 is 137068031686913.

It is a strong prime.

It is an emirp because it is prime and its reverse (137068031686913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319686130860731 - 2³⁴ = 319668950991547 is a prime.

It is a super-2 number, since 2×319686130860731² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (319686130460731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159843065430365 + 159843065430366.

It is an arithmetic number, because the mean of its divisors is an integer number (159843065430366).

Almost surely, 2^{319686130860731} is an apocalyptic number.

319686130860731 is a deficient number, since it is larger than the sum of its proper divisors (1).

319686130860731 is an equidigital number, since it uses as much as digits as its factorization.

319686130860731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 319686130860731 in words is "three hundred nineteen trillion, six hundred eighty-six billion, one hundred thirty million, eight hundred sixty thousand, seven hundred thirty-one".