315040502102243 has 2 divisors, whose sum is σ = 315040502102244. Its totient is φ = 315040502102242.

The previous prime is 315040502102177. The next prime is 315040502102251. The reversal of 315040502102243 is 342201205040513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315040502102243 - 2¹⁶ = 315040502036707 is a prime.

It is a super-2 number, since 2×315040502102243² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315040502102273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157520251051121 + 157520251051122.

It is an arithmetic number, because the mean of its divisors is an integer number (157520251051122).

Almost surely, 2^{315040502102243} is an apocalyptic number.

315040502102243 is a deficient number, since it is larger than the sum of its proper divisors (1).

315040502102243 is an equidigital number, since it uses as much as digits as its factorization.

315040502102243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 315040502102243 its reverse (342201205040513), we get a palindrome (657241707142756).

The spelling of 315040502102243 in words is "three hundred fifteen trillion, forty billion, five hundred two million, one hundred two thousand, two hundred forty-three".