223213230031 has 4 divisors (see below), whose sum is σ = 243505341864. Its totient is φ = 202921118200.

The previous prime is 223213230001. The next prime is 223213230139. The reversal of 223213230031 is 130032312322.

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 223213230031 - 2¹¹ = 223213227983 is a prime.

It is a super-3 number, since 3×223213230031³ (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 = 223213229984 and 223213230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223213230001) 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, 10146055900 + ... + 10146055921.

It is an arithmetic number, because the mean of its divisors is an integer number (60876335466).

Almost surely, 2^223213230031 is an apocalyptic number.

223213230031 is a deficient number, since it is larger than the sum of its proper divisors (20292111833).

223213230031 is a wasteful number, since it uses less digits than its factorization.

223213230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292111832.

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

Adding to 223213230031 its reverse (130032312322), we get a palindrome (353245542353).

The spelling of 223213230031 in words is "two hundred twenty-three billion, two hundred thirteen million, two hundred thirty thousand, thirty-one".