2315325131 has 4 divisors (see below), whose sum is σ = 2646085872. Its totient is φ = 1984564392.

The previous prime is 2315325101. The next prime is 2315325143. The reversal of 2315325131 is 1315235132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315325131 is a prime.

It is a super-2 number, since 2×2315325131² = 10721460924480334322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2315325131.

It is not an unprimeable number, because it can be changed into a prime (2315325101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165380360 + ... + 165380373.

It is an arithmetic number, because the mean of its divisors is an integer number (661521468).

Almost surely, 2^2315325131 is an apocalyptic number.

2315325131 is a deficient number, since it is larger than the sum of its proper divisors (330760741).

2315325131 is an equidigital number, since it uses as much as digits as its factorization.

2315325131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330760740.

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

The square root of 2315325131 is about 48117.8255015748. The cubic root of 2315325131 is about 1322.9314120048.

It can be divided in two parts, 23153 and 25131, that added together give a palindrome (48284).

The spelling of 2315325131 in words is "two billion, three hundred fifteen million, three hundred twenty-five thousand, one hundred thirty-one".