2303131 has 4 divisors (see below), whose sum is σ = 2307312. Its totient is φ = 2298952.

The previous prime is 2303129. The next prime is 2303137. The reversal of 2303131 is 1313032.

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

It is a cyclic number.

It is not a de Polignac number, because 2303131 - 2¹ = 2303129 is a prime.

It is a super-2 number, since 2×2303131² = 10608824806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2303137) 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, 1111 + ... + 2416.

It is an arithmetic number, because the mean of its divisors is an integer number (576828).

2^2303131 is an apocalyptic number.

2303131 is a deficient number, since it is larger than the sum of its proper divisors (4181).

2303131 is an equidigital number, since it uses as much as digits as its factorization.

2303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 2303131 is about 1517.6069978753. The cubic root of 2303131 is about 132.0604826896.

Adding to 2303131 its reverse (1313032), we get a palindrome (3616163).

Subtracting from 2303131 its reverse (1313032), we obtain a palindrome (990099).

The spelling of 2303131 in words is "two million, three hundred three thousand, one hundred thirty-one".