20032113113231 has 8 divisors (see below), whose sum is σ = 20697763129344. Its totient is φ = 19367678898360.

The previous prime is 20032113113191. The next prime is 20032113113267. The reversal of 20032113113231 is 13231131123002.

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

It is a cyclic number.

It is not a de Polignac number, because 20032113113231 - 2⁴² = 15634066602127 is a prime.

It is a super-2 number, since 2×20032113113231² (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 = 20032113113197 and 20032113113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032113113291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303916811 + ... + 303982716.

It is an arithmetic number, because the mean of its divisors is an integer number (2587220391168).

Almost surely, 2^{20032113113231} is an apocalyptic number.

20032113113231 is a deficient number, since it is larger than the sum of its proper divisors (665650016113).

20032113113231 is a wasteful number, since it uses less digits than its factorization.

20032113113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607900621.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20032113113231 its reverse (13231131123002), we get a palindrome (33263244236233).

The spelling of 20032113113231 in words is "twenty trillion, thirty-two billion, one hundred thirteen million, one hundred thirteen thousand, two hundred thirty-one".