2303121231 has 12 divisors (see below), whose sum is σ = 3329087008. Its totient is φ = 1534326624.

The previous prime is 2303121229. The next prime is 2303121259. The reversal of 2303121231 is 1321213032.

2303121231 is a `hidden beast` number, since 230 + 312 + 123 + 1 = 666.

It is not a de Polignac number, because 2303121231 - 2¹ = 2303121229 is a prime.

It is a super-2 number, since 2×2303121231² = 10608734809365910722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303121211) 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 11 ways as a sum of consecutive naturals, for example, 77110 + ... + 102723.

Almost surely, 2^2303121231 is an apocalyptic number.

2303121231 is a deficient number, since it is larger than the sum of its proper divisors (1025965777).

2303121231 is a wasteful number, since it uses less digits than its factorization.

2303121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181262 (or 181259 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2303121231 is about 47990.8452832413. The cubic root of 2303121231 is about 1320.6029597263.

Adding to 2303121231 its reverse (1321213032), we get a palindrome (3624334263).

The spelling of 2303121231 in words is "two billion, three hundred three million, one hundred twenty-one thousand, two hundred thirty-one".