13201231131009 has 24 divisors (see below), whose sum is σ = 19188188502912. Its totient is φ = 8745570038880.

The previous prime is 13201231131007. The next prime is 13201231131047. The reversal of 13201231131009 is 90013113210231.

13201231131009 is a `hidden beast` number, since 1 + 3 + 20 + 12 + 311 + 310 + 0 + 9 = 666.

It is not a de Polignac number, because 13201231131009 - 2¹ = 13201231131007 is a prime.

It is a super-2 number, since 2×13201231131009² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13201231131007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9612199 + ... + 10899395.

It is an arithmetic number, because the mean of its divisors is an integer number (799507854288).

Almost surely, 2^{13201231131009} is an apocalyptic number.

It is an amenable number.

13201231131009 is a deficient number, since it is larger than the sum of its proper divisors (5986957371903).

13201231131009 is a wasteful number, since it uses less digits than its factorization.

13201231131009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294357 (or 1294354 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 13201231131009 in words is "thirteen trillion, two hundred one billion, two hundred thirty-one million, one hundred thirty-one thousand, nine".