13032020033231 has 4 divisors (see below), whose sum is σ = 13189032322872. Its totient is φ = 12875007743592.

The previous prime is 13032020033177. The next prime is 13032020033251. The reversal of 13032020033231 is 13233002023031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13032020033231 - 2³⁴ = 13014840164047 is a prime.

It is a super-2 number, since 2×13032020033231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13032020033197 and 13032020033206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032020033251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78506144696 + ... + 78506144861.

It is an arithmetic number, because the mean of its divisors is an integer number (3297258080718).

Almost surely, 2^{13032020033231} is an apocalyptic number.

13032020033231 is a deficient number, since it is larger than the sum of its proper divisors (157012289641).

13032020033231 is an equidigital number, since it uses as much as digits as its factorization.

13032020033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157012289640.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13032020033231 its reverse (13233002023031), we get a palindrome (26265022056262).

The spelling of 13032020033231 in words is "thirteen trillion, thirty-two billion, twenty million, thirty-three thousand, two hundred thirty-one".