13231332231213 has 16 divisors (see below), whose sum is σ = 17809493744000. Its totient is φ = 8737364203200.

The previous prime is 13231332231133. The next prime is 13231332231251. The reversal of 13231332231213 is 31213223313231.

It is not a de Polignac number, because 13231332231213 - 2²⁰ = 13231331182637 is a prime.

It is a super-2 number, since 2×13231332231213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231332231253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41687518 + ... + 42003711.

It is an arithmetic number, because the mean of its divisors is an integer number (1113093359000).

Almost surely, 2^{13231332231213} is an apocalyptic number.

It is an amenable number.

13231332231213 is a deficient number, since it is larger than the sum of its proper divisors (4578161512787).

13231332231213 is a wasteful number, since it uses less digits than its factorization.

13231332231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83691732.

The product of its digits is 11664, while the sum is 30.

Adding to 13231332231213 its reverse (31213223313231), we get a palindrome (44444555544444).

The spelling of 13231332231213 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".