2313131203 has 2 divisors, whose sum is σ = 2313131204. Its totient is φ = 2313131202.

The previous prime is 2313131201. The next prime is 2313131209. The reversal of 2313131203 is 3021313132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2313131203 - 2¹ = 2313131201 is a prime.

Together with 2313131201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2313131201) 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 as a sum of consecutive naturals, namely, 1156565601 + 1156565602.

It is an arithmetic number, because the mean of its divisors is an integer number (1156565602).

Almost surely, 2^2313131203 is an apocalyptic number.

2313131203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313131203 is an equidigital number, since it uses as much as digits as its factorization.

2313131203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2313131203 is about 48095.0226426810. The cubic root of 2313131203 is about 1322.5134241297.

Adding to 2313131203 its reverse (3021313132), we get a palindrome (5334444335).

The spelling of 2313131203 in words is "two billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred three".