245322365231 has 2 divisors, whose sum is σ = 245322365232. Its totient is φ = 245322365230.

The previous prime is 245322365219. The next prime is 245322365329. The reversal of 245322365231 is 132563223542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245322365231 - 2³⁴ = 228142496047 is a prime.

It is a super-2 number, since 2×245322365231² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245322365131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122661182615 + 122661182616.

It is an arithmetic number, because the mean of its divisors is an integer number (122661182616).

Almost surely, 2^245322365231 is an apocalyptic number.

245322365231 is a deficient number, since it is larger than the sum of its proper divisors (1).

245322365231 is an equidigital number, since it uses as much as digits as its factorization.

245322365231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 38.

Adding to 245322365231 its reverse (132563223542), we get a palindrome (377885588773).

The spelling of 245322365231 in words is "two hundred forty-five billion, three hundred twenty-two million, three hundred sixty-five thousand, two hundred thirty-one".