223231120331 has 4 divisors (see below), whose sum is σ = 230928745200. Its totient is φ = 215533495464.

The previous prime is 223231120319. The next prime is 223231120363. The reversal of 223231120331 is 133021132322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223231120331 is a prime.

It is a super-3 number, since 3×223231120331³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223231120297 and 223231120306.

It is not an unprimeable number, because it can be changed into a prime (223231120531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3848812391 + ... + 3848812448.

It is an arithmetic number, because the mean of its divisors is an integer number (57732186300).

Almost surely, 2^223231120331 is an apocalyptic number.

223231120331 is a deficient number, since it is larger than the sum of its proper divisors (7697624869).

223231120331 is an equidigital number, since it uses as much as digits as its factorization.

223231120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697624868.

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

Adding to 223231120331 its reverse (133021132322), we get a palindrome (356252252653).

The spelling of 223231120331 in words is "two hundred twenty-three billion, two hundred thirty-one million, one hundred twenty thousand, three hundred thirty-one".