223103222031321 has 12 divisors (see below), whose sum is σ = 326674733020948. Its totient is φ = 146698009006464.

The previous prime is 223103222031311. The next prime is 223103222031329. The reversal of 223103222031321 is 123130222301322.

223103222031321 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 0 + 322 + 2 + 0 + 313 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 191243011116096 + 31860210915225 = 13829064^2 + 5644485^2 .

It is not a de Polignac number, because 223103222031321 - 2¹⁷ = 223103221900249 is a prime.

It is a super-3 number, since 3×223103222031321³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223103222031329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169789361620 + ... + 169789362933.

Almost surely, 2^{223103222031321} is an apocalyptic number.

It is an amenable number.

223103222031321 is a deficient number, since it is larger than the sum of its proper divisors (103571510989627).

223103222031321 is a wasteful number, since it uses less digits than its factorization.

223103222031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339578724632 (or 339578724629 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 223103222031321 its reverse (123130222301322), we get a palindrome (346233444332643).

The spelling of 223103222031321 in words is "two hundred twenty-three trillion, one hundred three billion, two hundred twenty-two million, thirty-one thousand, three hundred twenty-one".