2321125231 has 2 divisors, whose sum is σ = 2321125232. Its totient is φ = 2321125230.

The previous prime is 2321125223. The next prime is 2321125237. The reversal of 2321125231 is 1325211232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321125231 - 2³ = 2321125223 is a prime.

It is a super-2 number, since 2×2321125231² = 10775244675969606722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321125237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160562615 + 1160562616.

It is an arithmetic number, because the mean of its divisors is an integer number (1160562616).

Almost surely, 2^2321125231 is an apocalyptic number.

2321125231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321125231 is an equidigital number, since it uses as much as digits as its factorization.

2321125231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 2321125231 is about 48178.0575677351. The cubic root of 2321125231 is about 1324.0351786684.

Adding to 2321125231 its reverse (1325211232), we get a palindrome (3646336463).

The spelling of 2321125231 in words is "two billion, three hundred twenty-one million, one hundred twenty-five thousand, two hundred thirty-one".