2312031133157 has 2 divisors, whose sum is σ = 2312031133158. Its totient is φ = 2312031133156.

The previous prime is 2312031133133. The next prime is 2312031133201. The reversal of 2312031133157 is 7513311302132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2006001999556 + 306029133601 = 1416334^2 + 553199^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312031133157 - 2³⁰ = 2310957391333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312031135157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156015566578 + 1156015566579.

It is an arithmetic number, because the mean of its divisors is an integer number (1156015566579).

Almost surely, 2^{2312031133157} is an apocalyptic number.

It is an amenable number.

2312031133157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312031133157 is an equidigital number, since it uses as much as digits as its factorization.

2312031133157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 2312031133157 its reverse (7513311302132), we get a palindrome (9825342435289).

The spelling of 2312031133157 in words is "two trillion, three hundred twelve billion, thirty-one million, one hundred thirty-three thousand, one hundred fifty-seven".