213033421143 has 8 divisors (see below), whose sum is σ = 315605068400. Its totient is φ = 142022280744.

The previous prime is 213033421091. The next prime is 213033421193. The reversal of 213033421143 is 341124330312.

It is a happy number.

213033421143 is a `hidden beast` number, since 2 + 1 + 303 + 342 + 1 + 14 + 3 = 666.

It is not a de Polignac number, because 213033421143 - 2²⁴ = 213016643927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7890126709 = 213033421143 / (2 + 1 + 3 + 0 + 3 + 3 + 4 + 2 + 1 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033421193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945063328 + ... + 3945063381.

It is an arithmetic number, because the mean of its divisors is an integer number (39450633550).

Almost surely, 2^213033421143 is an apocalyptic number.

213033421143 is a deficient number, since it is larger than the sum of its proper divisors (102571647257).

213033421143 is an equidigital number, since it uses as much as digits as its factorization.

213033421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890126718 (or 7890126712 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213033421143 its reverse (341124330312), we get a palindrome (554157751455).

The spelling of 213033421143 in words is "two hundred thirteen billion, thirty-three million, four hundred twenty-one thousand, one hundred forty-three".