13156065131 has 12 divisors (see below), whose sum is σ = 14465435376. Its totient is φ = 11956224720.

The previous prime is 13156065119. The next prime is 13156065133.

13156065131 is nontrivially palindromic in base 10.

13156065131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13156065131 - 2¹⁴ = 13156048747 is a prime.

It is a super-2 number, since 2×13156065131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13156065133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403325 + ... + 434721.

It is an arithmetic number, because the mean of its divisors is an integer number (1205452948).

Almost surely, 2^13156065131 is an apocalyptic number.

13156065131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13156065131 is a deficient number, since it is larger than the sum of its proper divisors (1309370245).

13156065131 is a wasteful number, since it uses less digits than its factorization.

13156065131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34882 (or 34871 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

It can be divided in two parts, 131560 and 65131, that added together give a palindrome (196691).

The spelling of 13156065131 in words is "thirteen billion, one hundred fifty-six million, sixty-five thousand, one hundred thirty-one".