134344403231 has 4 divisors (see below), whose sum is σ = 134346830832. Its totient is φ = 134341975632.

The previous prime is 134344403209. The next prime is 134344403251. The reversal of 134344403231 is 132304443431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134344403231 - 2²⁶ = 134277294367 is a prime.

It is a super-2 number, since 2×134344403231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134344403251) 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, 1128806 + ... + 1242131.

It is an arithmetic number, because the mean of its divisors is an integer number (33586707708).

Almost surely, 2^134344403231 is an apocalyptic number.

134344403231 is a deficient number, since it is larger than the sum of its proper divisors (2427601).

134344403231 is an equidigital number, since it uses as much as digits as its factorization.

134344403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427600.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 134344403231 its reverse (132304443431), we get a palindrome (266648846662).

The spelling of 134344403231 in words is "one hundred thirty-four billion, three hundred forty-four million, four hundred three thousand, two hundred thirty-one".