223231203031 has 4 divisors (see below), whose sum is σ = 225441413064. Its totient is φ = 221020993000.

The previous prime is 223231202993. The next prime is 223231203121. The reversal of 223231203031 is 130302132322.

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 223231203031 - 2¹³ = 223231194839 is a prime.

It is a super-3 number, since 3×223231203031³ (a number of 35 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 = 223231202993 and 223231203011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223231203631) 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, 1105104865 + ... + 1105105066.

It is an arithmetic number, because the mean of its divisors is an integer number (56360353266).

Almost surely, 2^223231203031 is an apocalyptic number.

223231203031 is a deficient number, since it is larger than the sum of its proper divisors (2210210033).

223231203031 is a wasteful number, since it uses less digits than its factorization.

223231203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210210032.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 223231203031 its reverse (130302132322), we get a palindrome (353533335353).

The spelling of 223231203031 in words is "two hundred twenty-three billion, two hundred thirty-one million, two hundred three thousand, thirty-one".