315143311303 has 2 divisors, whose sum is σ = 315143311304. Its totient is φ = 315143311302.

The previous prime is 315143311279. The next prime is 315143311319. The reversal of 315143311303 is 303113341513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315143311303 - 2⁵ = 315143311271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315143371303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157571655651 + 157571655652.

It is an arithmetic number, because the mean of its divisors is an integer number (157571655652).

Almost surely, 2^315143311303 is an apocalyptic number.

315143311303 is a deficient number, since it is larger than the sum of its proper divisors (1).

315143311303 is an equidigital number, since it uses as much as digits as its factorization.

315143311303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 315143311303 its reverse (303113341513), we get a palindrome (618256652816).

The spelling of 315143311303 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred eleven thousand, three hundred three".