2312031133 has 2 divisors, whose sum is σ = 2312031134. Its totient is φ = 2312031132.

The previous prime is 2312031083. The next prime is 2312031157. The reversal of 2312031133 is 3311302132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2150918884 + 161112249 = 46378^2 + 12693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312031133 - 2⁹ = 2312030621 is a prime.

It is a super-2 number, since 2×2312031133² = 10690975919922527378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2312031133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312032133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156015566 + 1156015567.

It is an arithmetic number, because the mean of its divisors is an integer number (1156015567).

Almost surely, 2^2312031133 is an apocalyptic number.

It is an amenable number.

2312031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312031133 is an equidigital number, since it uses as much as digits as its factorization.

2312031133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2312031133 is about 48083.5848601162. The cubic root of 2312031133 is about 1322.3037389443.

Adding to 2312031133 its reverse (3311302132), we get a palindrome (5623333265).

The spelling of 2312031133 in words is "two billion, three hundred twelve million, thirty-one thousand, one hundred thirty-three".