223344320131 has 4 divisors (see below), whose sum is σ = 223345369512. Its totient is φ = 223343270752.

The previous prime is 223344320119. The next prime is 223344320141. The reversal of 223344320131 is 131023443322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223344320131 - 2⁹ = 223344319619 is a prime.

It is a super-2 number, since 2×223344320131² (a number of 23 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 223344320131.

It is not an unprimeable number, because it can be changed into a prime (223344320141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79561 + ... + 673066.

It is an arithmetic number, because the mean of its divisors is an integer number (55836342378).

Almost surely, 2^223344320131 is an apocalyptic number.

223344320131 is a deficient number, since it is larger than the sum of its proper divisors (1049381).

223344320131 is an equidigital number, since it uses as much as digits as its factorization.

223344320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049380.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 223344320131 its reverse (131023443322), we get a palindrome (354367763453).

The spelling of 223344320131 in words is "two hundred twenty-three billion, three hundred forty-four million, three hundred twenty thousand, one hundred thirty-one".