223296715931 has 2 divisors, whose sum is σ = 223296715932. Its totient is φ = 223296715930.

The previous prime is 223296715921. The next prime is 223296715933. The reversal of 223296715931 is 139517692322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223296715931 is a prime.

It is a super-2 number, since 2×223296715931² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 223296715933, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223296715931.

It is not a weakly prime, because it can be changed into another prime (223296715933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111648357965 + 111648357966.

It is an arithmetic number, because the mean of its divisors is an integer number (111648357966).

Almost surely, 2^223296715931 is an apocalyptic number.

223296715931 is a deficient number, since it is larger than the sum of its proper divisors (1).

223296715931 is an equidigital number, since it uses as much as digits as its factorization.

223296715931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The spelling of 223296715931 in words is "two hundred twenty-three billion, two hundred ninety-six million, seven hundred fifteen thousand, nine hundred thirty-one".