223131130031 has 2 divisors, whose sum is σ = 223131130032. Its totient is φ = 223131130030.

The previous prime is 223131130007. The next prime is 223131130067. The reversal of 223131130031 is 130031131322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223131130031 - 2¹⁰ = 223131129007 is a prime.

It is a super-3 number, since 3×223131130031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 223131129985 and 223131130012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223131132031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111565565015 + 111565565016.

It is an arithmetic number, because the mean of its divisors is an integer number (111565565016).

Almost surely, 2^223131130031 is an apocalyptic number.

223131130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

223131130031 is an equidigital number, since it uses as much as digits as its factorization.

223131130031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 223131130031 its reverse (130031131322), we get a palindrome (353162261353).

The spelling of 223131130031 in words is "two hundred twenty-three billion, one hundred thirty-one million, one hundred thirty thousand, thirty-one".