213142134303 has 24 divisors (see below), whose sum is σ = 360036330368. Its totient is φ = 118963050192.

The previous prime is 213142134287. The next prime is 213142134307. The reversal of 213142134303 is 303431241312.

It is a happy number.

213142134303 is a `hidden beast` number, since 2 + 1 + 3 + 14 + 213 + 430 + 3 = 666.

It is not a de Polignac number, because 213142134303 - 2⁴ = 213142134287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213142134307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39336925 + ... + 39342342.

Almost surely, 2^213142134303 is an apocalyptic number.

213142134303 is a deficient number, since it is larger than the sum of its proper divisors (146894196065).

213142134303 is a wasteful number, since it uses less digits than its factorization.

213142134303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78679323 (or 78679320 counting only the distinct ones).

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

Adding to 213142134303 its reverse (303431241312), we get a palindrome (516573375615).

The spelling of 213142134303 in words is "two hundred thirteen billion, one hundred forty-two million, one hundred thirty-four thousand, three hundred three".