2131514233 has 2 divisors, whose sum is σ = 2131514234. Its totient is φ = 2131514232.

The previous prime is 2131514173. The next prime is 2131514243. The reversal of 2131514233 is 3324151312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420385344 + 711128889 = 37688^2 + 26667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131514233 - 2⁹ = 2131513721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131514198 and 2131514207.

It is not a weakly prime, because it can be changed into another prime (2131514243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065757116 + 1065757117.

It is an arithmetic number, because the mean of its divisors is an integer number (1065757117).

Almost surely, 2^2131514233 is an apocalyptic number.

It is an amenable number.

2131514233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131514233 is an equidigital number, since it uses as much as digits as its factorization.

2131514233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2131514233 is about 46168.3249966901. The cubic root of 2131514233 is about 1286.9531749939.

Adding to 2131514233 its reverse (3324151312), we get a palindrome (5455665545).

The spelling of 2131514233 in words is "two billion, one hundred thirty-one million, five hundred fourteen thousand, two hundred thirty-three".