23331223131 has 8 divisors (see below), whose sum is σ = 32111791104. Its totient is φ = 15052401960.

The previous prime is 23331223117. The next prime is 23331223133. The reversal of 23331223131 is 13132213332.

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

It is not a de Polignac number, because 23331223131 - 2⁵ = 23331223099 is a prime.

It is a super-2 number, since 2×23331223131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23331223133) 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, 125436591 + ... + 125436776.

It is an arithmetic number, because the mean of its divisors is an integer number (4013973888).

Almost surely, 2^23331223131 is an apocalyptic number.

23331223131 is a deficient number, since it is larger than the sum of its proper divisors (8780567973).

23331223131 is a wasteful number, since it uses less digits than its factorization.

23331223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250873401.

The product of its digits is 1944, while the sum is 24.

Adding to 23331223131 its reverse (13132213332), we get a palindrome (36463436463).

The spelling of 23331223131 in words is "twenty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, one hundred thirty-one".