27134232231 has 4 divisors (see below), whose sum is σ = 36178976312. Its totient is φ = 18089488152.

The previous prime is 27134232187. The next prime is 27134232239. The reversal of 27134232231 is 13223243172.

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

It is not a de Polignac number, because 27134232231 - 2¹⁹ = 27133707943 is a prime.

It is a super-2 number, since 2×27134232231² (a number of 22 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 (27134232239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522372036 + ... + 4522372041.

It is an arithmetic number, because the mean of its divisors is an integer number (9044744078).

Almost surely, 2^27134232231 is an apocalyptic number.

27134232231 is a deficient number, since it is larger than the sum of its proper divisors (9044744081).

27134232231 is an equidigital number, since it uses as much as digits as its factorization.

27134232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044744080.

The product of its digits is 12096, while the sum is 30.

The spelling of 27134232231 in words is "twenty-seven billion, one hundred thirty-four million, two hundred thirty-two thousand, two hundred thirty-one".