223113122020031 has 4 divisors (see below), whose sum is σ = 223323012070032. Its totient is φ = 222903231970032.

The previous prime is 223113122020013. The next prime is 223113122020037. The reversal of 223113122020031 is 130020221311322.

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

It is a cyclic number.

It is not a de Polignac number, because 223113122020031 - 2⁴⁶ = 152744377842367 is a prime.

It is a super-3 number, since 3×223113122020031³ (a number of 44 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 = 223113122019979 and 223113122020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223113122020037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104945023406 + ... + 104945025531.

It is an arithmetic number, because the mean of its divisors is an integer number (55830753017508).

Almost surely, 2^{223113122020031} is an apocalyptic number.

223113122020031 is a deficient number, since it is larger than the sum of its proper divisors (209890050001).

223113122020031 is a wasteful number, since it uses less digits than its factorization.

223113122020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209890050000.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 223113122020031 its reverse (130020221311322), we get a palindrome (353133343331353).

The spelling of 223113122020031 in words is "two hundred twenty-three trillion, one hundred thirteen billion, one hundred twenty-two million, twenty thousand, thirty-one".