315313321253303 has 2 divisors, whose sum is σ = 315313321253304. Its totient is φ = 315313321253302.

The previous prime is 315313321253291. The next prime is 315313321253321. The reversal of 315313321253303 is 303352123313513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315313321253303 - 2¹² = 315313321249207 is a prime.

It is a super-2 number, since 2×315313321253303² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315313321253383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157656660626651 + 157656660626652.

It is an arithmetic number, because the mean of its divisors is an integer number (157656660626652).

Almost surely, 2^{315313321253303} is an apocalyptic number.

315313321253303 is a deficient number, since it is larger than the sum of its proper divisors (1).

315313321253303 is an equidigital number, since it uses as much as digits as its factorization.

315313321253303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 38.

Adding to 315313321253303 its reverse (303352123313513), we get a palindrome (618665444566816).

The spelling of 315313321253303 in words is "three hundred fifteen trillion, three hundred thirteen billion, three hundred twenty-one million, two hundred fifty-three thousand, three hundred three".