2303131131 has 32 divisors (see below), whose sum is σ = 3901977600. Its totient is φ = 1315232640.

The previous prime is 2303131121. The next prime is 2303131133. The reversal of 2303131131 is 1311313032.

It is a happy number.

It is not a de Polignac number, because 2303131131 - 2¹¹ = 2303129083 is a prime.

It is a super-2 number, since 2×2303131131² = 10608826013162678322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2303131133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405610 + ... + 411248.

It is an arithmetic number, because the mean of its divisors is an integer number (121936800).

Almost surely, 2^2303131131 is an apocalyptic number.

2303131131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2303131131 is a deficient number, since it is larger than the sum of its proper divisors (1598846469).

2303131131 is a wasteful number, since it uses less digits than its factorization.

2303131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 2303131131 is about 47990.9484278025. The cubic root of 2303131131 is about 1320.6048519339.

Adding to 2303131131 its reverse (1311313032), we get a palindrome (3614444163).

The spelling of 2303131131 in words is "two billion, three hundred three million, one hundred thirty-one thousand, one hundred thirty-one".