23221332131 has 8 divisors (see below), whose sum is σ = 23365595904. Its totient is φ = 23077130760.

The previous prime is 23221332109. The next prime is 23221332191. The reversal of 23221332131 is 13123312232.

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-23221332131 is a prime.

It is a super-2 number, since 2×23221332131² (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 = 23221332097 and 23221332106.

It is not an unprimeable number, because it can be changed into a prime (23221332191) 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, 894176 + ... + 919778.

It is an arithmetic number, because the mean of its divisors is an integer number (2920699488).

Almost surely, 2^23221332131 is an apocalyptic number.

23221332131 is a deficient number, since it is larger than the sum of its proper divisors (144263773).

23221332131 is a wasteful number, since it uses less digits than its factorization.

23221332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201.

The product of its digits is 1296, while the sum is 23.

Adding to 23221332131 its reverse (13123312232), we get a palindrome (36344644363).

The spelling of 23221332131 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-one".