23213331131 has 8 divisors (see below), whose sum is σ = 23395293504. Its totient is φ = 23031441160.

The previous prime is 23213331109. The next prime is 23213331157. The reversal of 23213331131 is 13113331232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23213331131 is a prime.

It is a super-2 number, since 2×23213331131² (a number of 22 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 = 23213331097 and 23213331106.

It is not an unprimeable number, because it can be changed into a prime (23213331191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753476 + ... + 783678.

It is an arithmetic number, because the mean of its divisors is an integer number (2924411688).

Almost surely, 2^23213331131 is an apocalyptic number.

23213331131 is a deficient number, since it is larger than the sum of its proper divisors (181962373).

23213331131 is a wasteful number, since it uses less digits than its factorization.

23213331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36201.

The product of its digits is 972, while the sum is 23.

Adding to 23213331131 its reverse (13113331232), we get a palindrome (36326662363).

The spelling of 23213331131 in words is "twenty-three billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-one".