134431303121 has 16 divisors (see below), whose sum is σ = 143237372544. Its totient is φ = 125725542144.

The previous prime is 134431303073. The next prime is 134431303129. The reversal of 134431303121 is 121303134431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134431303121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134431303129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12381131 + ... + 12391983.

It is an arithmetic number, because the mean of its divisors is an integer number (8952335784).

Almost surely, 2^134431303121 is an apocalyptic number.

It is an amenable number.

134431303121 is a deficient number, since it is larger than the sum of its proper divisors (8806069423).

134431303121 is a wasteful number, since it uses less digits than its factorization.

134431303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 134431303121 its reverse (121303134431), we get a palindrome (255734437552).

The spelling of 134431303121 in words is "one hundred thirty-four billion, four hundred thirty-one million, three hundred three thousand, one hundred twenty-one".