134223031 has 4 divisors (see below), whose sum is σ = 134825152. Its totient is φ = 133620912.

The previous prime is 134223029. The next prime is 134223073. The reversal of 134223031 is 130322431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130322431 = 5347 ⋅24373.

It is a cyclic number.

It is not a de Polignac number, because 134223031 - 2¹ = 134223029 is a prime.

It is a super-2 number, since 2×134223031² = 36031644101653922, which 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 (134223091) 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, 300726 + ... + 301171.

It is an arithmetic number, because the mean of its divisors is an integer number (33706288).

Almost surely, 2^134223031 is an apocalyptic number.

134223031 is a deficient number, since it is larger than the sum of its proper divisors (602121).

134223031 is an equidigital number, since it uses as much as digits as its factorization.

134223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602120.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 134223031 is about 11585.4663695511. The cubic root of 134223031 is about 512.0067430244.

Adding to 134223031 its reverse (130322431), we get a palindrome (264545462).

The spelling of 134223031 in words is "one hundred thirty-four million, two hundred twenty-three thousand, thirty-one".