25312310315 has 12 divisors (see below), whose sum is σ = 31217908176. Its totient is φ = 19702549728.

The previous prime is 25312310279. The next prime is 25312310329. The reversal of 25312310315 is 51301321352.

It is not a de Polignac number, because 25312310315 - 2²² = 25308116011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1842119 + ... + 1855808.

It is an arithmetic number, because the mean of its divisors is an integer number (2601492348).

Almost surely, 2^25312310315 is an apocalyptic number.

25312310315 is a deficient number, since it is larger than the sum of its proper divisors (5905597861).

25312310315 is an equidigital number, since it uses as much as digits as its factorization.

25312310315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698006 (or 3697969 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 25312310315 its reverse (51301321352), we get a palindrome (76613631667).

The spelling of 25312310315 in words is "twenty-five billion, three hundred twelve million, three hundred ten thousand, three hundred fifteen".