2315510315 has 4 divisors (see below), whose sum is σ = 2778612384. Its totient is φ = 1852408248.

The previous prime is 2315510299. The next prime is 2315510317. The reversal of 2315510315 is 5130155132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2315510315 - 2⁴ = 2315510299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315510317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231551027 + ... + 231551036.

It is an arithmetic number, because the mean of its divisors is an integer number (694653096).

Almost surely, 2^2315510315 is an apocalyptic number.

2315510315 is a deficient number, since it is larger than the sum of its proper divisors (463102069).

2315510315 is an equidigital number, since it uses as much as digits as its factorization.

2315510315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463102068.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 2315510315 is about 48119.7497395820. The cubic root of 2315510315 is about 1322.9666812342.

Adding to 2315510315 its reverse (5130155132), we get a palindrome (7445665447).

The spelling of 2315510315 in words is "two billion, three hundred fifteen million, five hundred ten thousand, three hundred fifteen".