134231331243 has 16 divisors (see below), whose sum is σ = 180337207680. Its totient is φ = 88806908736.

The previous prime is 134231331211. The next prime is 134231331253. The reversal of 134231331243 is 342133132431.

It is not a de Polignac number, because 134231331243 - 2⁵ = 134231331211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134231331243.

It is not an unprimeable number, because it can be changed into a prime (134231331253) 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, 1326828 + ... + 1424406.

It is an arithmetic number, because the mean of its divisors is an integer number (11271075480).

Almost surely, 2^134231331243 is an apocalyptic number.

134231331243 is a deficient number, since it is larger than the sum of its proper divisors (46105876437).

134231331243 is a wasteful number, since it uses less digits than its factorization.

134231331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101066.

The product of its digits is 15552, while the sum is 30.

Adding to 134231331243 its reverse (342133132431), we get a palindrome (476364463674).

The spelling of 134231331243 in words is "one hundred thirty-four billion, two hundred thirty-one million, three hundred thirty-one thousand, two hundred forty-three".