2303313231 has 4 divisors (see below), whose sum is σ = 3071084312. Its totient is φ = 1535542152.

The previous prime is 2303313227. The next prime is 2303313251. The reversal of 2303313231 is 1323133032.

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

It is not a de Polignac number, because 2303313231 - 2² = 2303313227 is a prime.

It is a super-2 number, since 2×2303313231² = 10610503680199318722, 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 = 2303313198 and 2303313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303313251) 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, 383885536 + ... + 383885541.

It is an arithmetic number, because the mean of its divisors is an integer number (767771078).

Almost surely, 2^2303313231 is an apocalyptic number.

2303313231 is a deficient number, since it is larger than the sum of its proper divisors (767771081).

2303313231 is an equidigital number, since it uses as much as digits as its factorization.

2303313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767771080.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 2303313231 is about 47992.8456230718. The cubic root of 2303313231 is about 1320.6396561189.

Adding to 2303313231 its reverse (1323133032), we get a palindrome (3626446263).

The spelling of 2303313231 in words is "two billion, three hundred three million, three hundred thirteen thousand, two hundred thirty-one".