134512331 has 2 divisors, whose sum is σ = 134512332. Its totient is φ = 134512330.

The previous prime is 134512319. The next prime is 134512333. The reversal of 134512331 is 133215431.

It is a strong prime.

It is an emirp because it is prime and its reverse (133215431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134512331 - 2¹⁴ = 134495947 is a prime.

It is a super-2 number, since 2×134512331² = 36187134382107122, which contains 22 as substring.

Together with 134512333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 134512297 and 134512306.

It is not a weakly prime, because it can be changed into another prime (134512333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256165 + 67256166.

It is an arithmetic number, because the mean of its divisors is an integer number (67256166).

Almost surely, 2^134512331 is an apocalyptic number.

134512331 is a deficient number, since it is larger than the sum of its proper divisors (1).

134512331 is an equidigital number, since it uses as much as digits as its factorization.

134512331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 134512331 is about 11597.9451197184. The cubic root of 134512331 is about 512.3743333370.

Adding to 134512331 its reverse (133215431), we get a palindrome (267727762).

The spelling of 134512331 in words is "one hundred thirty-four million, five hundred twelve thousand, three hundred thirty-one".