2303131313 has 4 divisors (see below), whose sum is σ = 2632150080. Its totient is φ = 1974112548.

The previous prime is 2303131307. The next prime is 2303131373. The reversal of 2303131313 is 3131313032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2303131313 - 2⁸ = 2303131057 is a prime.

It is a super-2 number, since 2×2303131313² = 10608827689842207938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2303131373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164509373 + ... + 164509386.

It is an arithmetic number, because the mean of its divisors is an integer number (658037520).

Almost surely, 2^2303131313 is an apocalyptic number.

It is an amenable number.

2303131313 is a deficient number, since it is larger than the sum of its proper divisors (329018767).

2303131313 is an equidigital number, since it uses as much as digits as its factorization.

2303131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329018766.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 2303131313 is about 47990.9503239934. The cubic root of 2303131313 is about 1320.6048867199.

Adding to 2303131313 its reverse (3131313032), we get a palindrome (5434444345).

The spelling of 2303131313 in words is "two billion, three hundred three million, one hundred thirty-one thousand, three hundred thirteen".