23311122131331 has 20 divisors (see below), whose sum is σ = 34822961337384. Its totient is φ = 15540670454400.

The previous prime is 23311122131293. The next prime is 23311122131351. The reversal of 23311122131331 is 13313122111332.

23311122131331 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 112 + 213 + 1 + 331 = 666.

It is not a de Polignac number, because 23311122131331 - 2⁷ = 23311122131203 is a prime.

It is a super-2 number, since 2×23311122131331² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23311122131295 and 23311122131304.

It is not an unprimeable number, because it can be changed into a prime (23311122131351) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18871411 + ... + 20068691.

Almost surely, 2^{23311122131331} is an apocalyptic number.

23311122131331 is a deficient number, since it is larger than the sum of its proper divisors (11511839206053).

23311122131331 is a wasteful number, since it uses less digits than its factorization.

23311122131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437664 (or 1437655 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 23311122131331 its reverse (13313122111332), we get a palindrome (36624244242663).

The spelling of 23311122131331 in words is "twenty-three trillion, three hundred eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty-one".