2313224155537 has 2 divisors, whose sum is σ = 2313224155538. Its totient is φ = 2313224155536.

The previous prime is 2313224155471. The next prime is 2313224155549. The reversal of 2313224155537 is 7355514223132.

2313224155537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076362839681 + 236861315856 = 1440959^2 + 486684^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313224155537 - 2⁷ = 2313224155409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2313224155493 and 2313224155502.

It is not a weakly prime, because it can be changed into another prime (2313224152537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156612077768 + 1156612077769.

It is an arithmetic number, because the mean of its divisors is an integer number (1156612077769).

Almost surely, 2^{2313224155537} is an apocalyptic number.

It is an amenable number.

2313224155537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313224155537 is an equidigital number, since it uses as much as digits as its factorization.

2313224155537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 43.

Adding to 2313224155537 its reverse (7355514223132), we get a palindrome (9668738378669).

The spelling of 2313224155537 in words is "two trillion, three hundred thirteen billion, two hundred twenty-four million, one hundred fifty-five thousand, five hundred thirty-seven".