223011202031 has 2 divisors, whose sum is σ = 223011202032. Its totient is φ = 223011202030.

The previous prime is 223011202013. The next prime is 223011202039. The reversal of 223011202031 is 130202110322.

Together with previous prime (223011202013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223011202031 - 2¹⁴ = 223011185647 is a prime.

It is a super-2 number, since 2×223011202031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223011202039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111505601015 + 111505601016.

It is an arithmetic number, because the mean of its divisors is an integer number (111505601016).

Almost surely, 2^223011202031 is an apocalyptic number.

223011202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

223011202031 is an equidigital number, since it uses as much as digits as its factorization.

223011202031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223011202031 its reverse (130202110322), we get a palindrome (353213312353).

The spelling of 223011202031 in words is "two hundred twenty-three billion, eleven million, two hundred two thousand, thirty-one".