13231986513 has 8 divisors (see below), whose sum is σ = 18251016000. Its totient is φ = 8517140688.

The previous prime is 13231986419. The next prime is 13231986611. The reversal of 13231986513 is 31568913231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13231986513 - 2¹² = 13231982417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13231986013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76045813 + ... + 76045986.

It is an arithmetic number, because the mean of its divisors is an integer number (2281377000).

Almost surely, 2^13231986513 is an apocalyptic number.

It is an amenable number.

13231986513 is a deficient number, since it is larger than the sum of its proper divisors (5019029487).

13231986513 is a wasteful number, since it uses less digits than its factorization.

13231986513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152091831.

The product of its digits is 116640, while the sum is 42.

The spelling of 13231986513 in words is "thirteen billion, two hundred thirty-one million, nine hundred eighty-six thousand, five hundred thirteen".