315251505226 has 16 divisors (see below), whose sum is σ = 540441559296. Its totient is φ = 135105186096.

The previous prime is 315251505181. The next prime is 315251505229. The reversal of 315251505226 is 622505152513.

It is a super-2 number, since 2×315251505226² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315251505229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657775 + ... + 1031101.

It is an arithmetic number, because the mean of its divisors is an integer number (33777597456).

Almost surely, 2^315251505226 is an apocalyptic number.

315251505226 is a deficient number, since it is larger than the sum of its proper divisors (225190054070).

315251505226 is a wasteful number, since it uses less digits than its factorization.

315251505226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433653.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 315251505226 its reverse (622505152513), we get a palindrome (937756657739).

The spelling of 315251505226 in words is "three hundred fifteen billion, two hundred fifty-one million, five hundred five thousand, two hundred twenty-six".