265212431031013 has 2 divisors, whose sum is σ = 265212431031014. Its totient is φ = 265212431031012.

The previous prime is 265212431031001. The next prime is 265212431031071. The reversal of 265212431031013 is 310130134212562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150412392218529 + 114800038812484 = 12264273^2 + 10714478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265212431031013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265212431031013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265212431031413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132606215515506 + 132606215515507.

It is an arithmetic number, because the mean of its divisors is an integer number (132606215515507).

Almost surely, 2^{265212431031013} is an apocalyptic number.

It is an amenable number.

265212431031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

265212431031013 is an equidigital number, since it uses as much as digits as its factorization.

265212431031013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 265212431031013 its reverse (310130134212562), we get a palindrome (575342565243575).

The spelling of 265212431031013 in words is "two hundred sixty-five trillion, two hundred twelve billion, four hundred thirty-one million, thirty-one thousand, thirteen".