223321031131 has 16 divisors (see below), whose sum is σ = 257989557600. Its totient is φ = 191050260480.

The previous prime is 223321031117. The next prime is 223321031137. The reversal of 223321031131 is 131130123322.

It is a cyclic number.

It is not a de Polignac number, because 223321031131 - 2⁹ = 223321030619 is a prime.

It is a super-2 number, since 2×223321031131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223321031137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1330195 + ... + 1488643.

It is an arithmetic number, because the mean of its divisors is an integer number (16124347350).

Almost surely, 2^223321031131 is an apocalyptic number.

223321031131 is a deficient number, since it is larger than the sum of its proper divisors (34668526469).

223321031131 is a wasteful number, since it uses less digits than its factorization.

223321031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166014.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 223321031131 its reverse (131130123322), we get a palindrome (354451154453).

The spelling of 223321031131 in words is "two hundred twenty-three billion, three hundred twenty-one million, thirty-one thousand, one hundred thirty-one".