2304313131 has 4 divisors (see below), whose sum is σ = 3072417512. Its totient is φ = 1536208752.

The previous prime is 2304313097. The next prime is 2304313139. The reversal of 2304313131 is 1313134032.

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

It is not a de Polignac number, because 2304313131 - 2¹⁴ = 2304296747 is a prime.

It is a super-2 number, since 2×2304313131² = 10619718011398046322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2304313098 and 2304313107.

It is not an unprimeable number, because it can be changed into a prime (2304313139) 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, 384052186 + ... + 384052191.

It is an arithmetic number, because the mean of its divisors is an integer number (768104378).

Almost surely, 2^2304313131 is an apocalyptic number.

2304313131 is a deficient number, since it is larger than the sum of its proper divisors (768104381).

2304313131 is an equidigital number, since it uses as much as digits as its factorization.

2304313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768104380.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2304313131 is about 48003.2616704324. The cubic root of 2304313131 is about 1320.8307310940.

Adding to 2304313131 its reverse (1313134032), we get a palindrome (3617447163).

The spelling of 2304313131 in words is "two billion, three hundred four million, three hundred thirteen thousand, one hundred thirty-one".