23220311331331 has 8 divisors (see below), whose sum is σ = 23437453788864. Its totient is φ = 23003171285160.

The previous prime is 23220311331313. The next prime is 23220311331337. The reversal of 23220311331331 is 13313311302232.

It is a happy number.

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-23220311331331 is a prime.

It is a super-2 number, since 2×23220311331331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23220311331331.

It is not an unprimeable number, because it can be changed into a prime (23220311331337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23073336 + ... + 24058666.

It is an arithmetic number, because the mean of its divisors is an integer number (2929681723608).

Almost surely, 2^{23220311331331} is an apocalyptic number.

23220311331331 is a deficient number, since it is larger than the sum of its proper divisors (217142457533).

23220311331331 is a wasteful number, since it uses less digits than its factorization.

23220311331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205681.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 23220311331331 its reverse (13313311302232), we get a palindrome (36533622633563).

The spelling of 23220311331331 in words is "twenty-three trillion, two hundred twenty billion, three hundred eleven million, three hundred thirty-one thousand, three hundred thirty-one".