315143320139 has 2 divisors, whose sum is σ = 315143320140. Its totient is φ = 315143320138.

The previous prime is 315143320067. The next prime is 315143320153. The reversal of 315143320139 is 931023341513.

It is a strong prime.

It is an emirp because it is prime and its reverse (931023341513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315143320139 - 2²⁸ = 314874884683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315143320099 and 315143320108.

It is not a weakly prime, because it can be changed into another prime (315143320169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571660069 + 157571660070.

It is an arithmetic number, because the mean of its divisors is an integer number (157571660070).

Almost surely, 2^315143320139 is an apocalyptic number.

315143320139 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143320139 is an equidigital number, since it uses as much as digits as its factorization.

315143320139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 315143320139 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty thousand, one hundred thirty-nine".