20113302111331 has 32 divisors (see below), whose sum is σ = 23685455033856. Its totient is φ = 16838430336000.

The previous prime is 20113302111323. The next prime is 20113302111341. The reversal of 20113302111331 is 13311120331102.

It is not a de Polignac number, because 20113302111331 - 2³ = 20113302111323 is a prime.

It is a super-2 number, since 2×20113302111331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20113302111341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234020436 + ... + 234106366.

It is an arithmetic number, because the mean of its divisors is an integer number (740170469808).

Almost surely, 2^{20113302111331} is an apocalyptic number.

20113302111331 is a deficient number, since it is larger than the sum of its proper divisors (3572152922525).

20113302111331 is a wasteful number, since it uses less digits than its factorization.

20113302111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89803.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20113302111331 its reverse (13311120331102), we get a palindrome (33424422442433).

The spelling of 20113302111331 in words is "twenty trillion, one hundred thirteen billion, three hundred two million, one hundred eleven thousand, three hundred thirty-one".