13131210620265 has 16 divisors (see below), whose sum is σ = 22115723150400. Its totient is φ = 6634716944832.

The previous prime is 13131210620237. The next prime is 13131210620371. The reversal of 13131210620265 is 56202601213131.

It is not a de Polignac number, because 13131210620265 - 2⁵ = 13131210620233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23037211330 + ... + 23037211899.

It is an arithmetic number, because the mean of its divisors is an integer number (1382232696900).

Almost surely, 2^{13131210620265} is an apocalyptic number.

13131210620265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13131210620265 is a deficient number, since it is larger than the sum of its proper divisors (8984512530135).

13131210620265 is a wasteful number, since it uses less digits than its factorization.

13131210620265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46074423256.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 13131210620265 its reverse (56202601213131), we get a palindrome (69333811833396).

The spelling of 13131210620265 in words is "thirteen trillion, one hundred thirty-one billion, two hundred ten million, six hundred twenty thousand, two hundred sixty-five".