223133212331 has 4 divisors (see below), whose sum is σ = 226189831752. Its totient is φ = 220076592912.

The previous prime is 223133212303. The next prime is 223133212333. The reversal of 223133212331 is 133212331322.

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 223133212331 - 2¹⁴ = 223133195947 is a prime.

It is a super-3 number, since 3×223133212331³ (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 self number, because there is not a number n which added to its sum of digits gives 223133212331.

It is not an unprimeable number, because it can be changed into a prime (223133212333) 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, 1528309601 + ... + 1528309746.

It is an arithmetic number, because the mean of its divisors is an integer number (56547457938).

Almost surely, 2^223133212331 is an apocalyptic number.

223133212331 is a deficient number, since it is larger than the sum of its proper divisors (3056619421).

223133212331 is an equidigital number, since it uses as much as digits as its factorization.

223133212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056619420.

The product of its digits is 3888, while the sum is 26.

Adding to 223133212331 its reverse (133212331322), we get a palindrome (356345543653).

The spelling of 223133212331 in words is "two hundred twenty-three billion, one hundred thirty-three million, two hundred twelve thousand, three hundred thirty-one".