20231113311 has 10 divisors (see below), whose sum is σ = 30221786672. Its totient is φ = 13487408820.

The previous prime is 20231113289. The next prime is 20231113319. The reversal of 20231113311 is 11331113202.

20231113311 is a `hidden beast` number, since 20 + 2 + 311 + 1 + 331 + 1 = 666.

It is not a de Polignac number, because 20231113311 - 2¹⁰ = 20231112287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231113319) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124883335 + ... + 124883496.

Almost surely, 2^20231113311 is an apocalyptic number.

20231113311 is a deficient number, since it is larger than the sum of its proper divisors (9990673361).

20231113311 is an equidigital number, since it uses as much as digits as its factorization.

20231113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249766843 (or 249766834 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20231113311 its reverse (11331113202), we get a palindrome (31562226513).

The spelling of 20231113311 in words is "twenty billion, two hundred thirty-one million, one hundred thirteen thousand, three hundred eleven".