2312603362261 has 2 divisors, whose sum is σ = 2312603362262. Its totient is φ = 2312603362260.

The previous prime is 2312603362243. The next prime is 2312603362271. The reversal of 2312603362261 is 1622633062132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2311938496036 + 664866225 = 1520506^2 + 25785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312603362261 - 2⁷ = 2312603362133 is a prime.

It is a super-2 number, since 2×2312603362261² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2312603362261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312603362241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156301681130 + 1156301681131.

It is an arithmetic number, because the mean of its divisors is an integer number (1156301681131).

Almost surely, 2^{2312603362261} is an apocalyptic number.

It is an amenable number.

2312603362261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312603362261 is an equidigital number, since it uses as much as digits as its factorization.

2312603362261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 2312603362261 in words is "two trillion, three hundred twelve billion, six hundred three million, three hundred sixty-two thousand, two hundred sixty-one".