223131232133 has 4 divisors (see below), whose sum is σ = 226187824428. Its totient is φ = 220074639840.

The previous prime is 223131232073. The next prime is 223131232139. The reversal of 223131232133 is 331232131322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54150220804 + 168981011329 = 232702^2 + 411073^2 .

It is a cyclic number.

It is not a de Polignac number, because 223131232133 - 2¹² = 223131228037 is a prime.

It is a super-3 number, since 3×223131232133³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223131232139) 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, 1528296038 + ... + 1528296183.

It is an arithmetic number, because the mean of its divisors is an integer number (56546956107).

Almost surely, 2^223131232133 is an apocalyptic number.

It is an amenable number.

223131232133 is a deficient number, since it is larger than the sum of its proper divisors (3056592295).

223131232133 is an equidigital number, since it uses as much as digits as its factorization.

223131232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056592294.

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

Adding to 223131232133 its reverse (331232131322), we get a palindrome (554363363455).

The spelling of 223131232133 in words is "two hundred twenty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty-three".