12313224551 has 2 divisors, whose sum is σ = 12313224552. Its totient is φ = 12313224550.

The previous prime is 12313224541. The next prime is 12313224587. The reversal of 12313224551 is 15542231321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12313224551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313224541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156612275 + 6156612276.

It is an arithmetic number, because the mean of its divisors is an integer number (6156612276).

Almost surely, 2^12313224551 is an apocalyptic number.

12313224551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313224551 is an equidigital number, since it uses as much as digits as its factorization.

12313224551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

Adding to 12313224551 its reverse (15542231321), we get a palindrome (27855455872).

The spelling of 12313224551 in words is "twelve billion, three hundred thirteen million, two hundred twenty-four thousand, five hundred fifty-one".