134203103321 has 4 divisors (see below), whose sum is σ = 153374975232. Its totient is φ = 115031231412.

The previous prime is 134203103291. The next prime is 134203103369. The reversal of 134203103321 is 123301302431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123301302431 = 40519 ⋅3043049.

It is a cyclic number.

It is not a de Polignac number, because 134203103321 - 2⁶ = 134203103257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134203103521) 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, 9585935945 + ... + 9585935958.

It is an arithmetic number, because the mean of its divisors is an integer number (38343743808).

Almost surely, 2^134203103321 is an apocalyptic number.

It is an amenable number.

134203103321 is a deficient number, since it is larger than the sum of its proper divisors (19171871911).

134203103321 is an equidigital number, since it uses as much as digits as its factorization.

134203103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171871910.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 134203103321 its reverse (123301302431), we get a palindrome (257504405752).

The spelling of 134203103321 in words is "one hundred thirty-four billion, two hundred three million, one hundred three thousand, three hundred twenty-one".