223030232031 has 4 divisors (see below), whose sum is σ = 297373642712. Its totient is φ = 148686821352.

The previous prime is 223030232027. The next prime is 223030232081. The reversal of 223030232031 is 130232030322.

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

It is not a de Polignac number, because 223030232031 - 2² = 223030232027 is a prime.

It is a super-2 number, since 2×223030232031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223030231989 and 223030232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223030232081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37171705336 + ... + 37171705341.

It is an arithmetic number, because the mean of its divisors is an integer number (74343410678).

Almost surely, 2^223030232031 is an apocalyptic number.

223030232031 is a deficient number, since it is larger than the sum of its proper divisors (74343410681).

223030232031 is an equidigital number, since it uses as much as digits as its factorization.

223030232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74343410680.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223030232031 its reverse (130232030322), we get a palindrome (353262262353).

The spelling of 223030232031 in words is "two hundred twenty-three billion, thirty million, two hundred thirty-two thousand, thirty-one".