27081131 has 12 divisors (see below), whose sum is σ = 34020336. Its totient is φ = 21101520.

The previous prime is 27081127. The next prime is 27081149. The reversal of 27081131 is 13118072.

It is a happy number.

It is not a de Polignac number, because 27081131 - 2² = 27081127 is a prime.

It is a super-2 number, since 2×27081131² = 1466775312478322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27081097 and 27081106.

It is not an unprimeable number, because it can be changed into a prime (27081191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15140 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (2835028).

Almost surely, 2^27081131 is an apocalyptic number.

27081131 is a deficient number, since it is larger than the sum of its proper divisors (6939205).

27081131 is a wasteful number, since it uses less digits than its factorization.

27081131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32002 (or 31991 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 27081131 is about 5203.9534010212. The cubic root of 27081131 is about 300.3001847155.

The spelling of 27081131 in words is "twenty-seven million, eighty-one thousand, one hundred thirty-one".