2315303251 has 16 divisors (see below), whose sum is σ = 2456280288. Its totient is φ = 2179756800.

The previous prime is 2315303239. The next prime is 2315303261. The reversal of 2315303251 is 1523035132.

It is not a de Polignac number, because 2315303251 - 2⁹ = 2315302739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315303261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123820 + ... + 141286.

It is an arithmetic number, because the mean of its divisors is an integer number (153517518).

Almost surely, 2^2315303251 is an apocalyptic number.

2315303251 is a deficient number, since it is larger than the sum of its proper divisors (140977037).

2315303251 is a wasteful number, since it uses less digits than its factorization.

2315303251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17622.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2315303251 is about 48117.5981424676. The cubic root of 2315303251 is about 1322.9272447239.

Adding to 2315303251 its reverse (1523035132), we get a palindrome (3838338383).

The spelling of 2315303251 in words is "two billion, three hundred fifteen million, three hundred three thousand, two hundred fifty-one".