134431544210213 has 4 divisors (see below), whose sum is σ = 134431598425248. Its totient is φ = 134431489995180.

The previous prime is 134431544210207. The next prime is 134431544210239. The reversal of 134431544210213 is 312012445134431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134431544210213 - 2¹⁰ = 134431544209189 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 (134431544210263) 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, 23200403 + ... + 28409888.

It is an arithmetic number, because the mean of its divisors is an integer number (33607899606312).

Almost surely, 2^{134431544210213} is an apocalyptic number.

It is an amenable number.

134431544210213 is a deficient number, since it is larger than the sum of its proper divisors (54215035).

134431544210213 is an equidigital number, since it uses as much as digits as its factorization.

134431544210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54215034.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 134431544210213 its reverse (312012445134431), we get a palindrome (446443989344644).

The spelling of 134431544210213 in words is "one hundred thirty-four trillion, four hundred thirty-one billion, five hundred forty-four million, two hundred ten thousand, two hundred thirteen".