27131016 has 32 divisors (see below), whose sum is σ = 73994400. Its totient is φ = 8221440.

The previous prime is 27131011. The next prime is 27131021. The reversal of 27131016 is 61013172.

It is an interprime number because it is at equal distance from previous prime (27131011) and next prime (27131021).

It is a junction number, because it is equal to n+sod(n) for n = 27130983 and 27131001.

It is not an unprimeable number, because it can be changed into a prime (27131011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51121 + ... + 51648.

It is an arithmetic number, because the mean of its divisors is an integer number (2312325).

Almost surely, 2^27131016 is an apocalyptic number.

It is an amenable number.

27131016 is an abundant number, since it is smaller than the sum of its proper divisors (46863384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27131016 is a wasteful number, since it uses less digits than its factorization.

27131016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102789 (or 102785 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 27131016 is about 5208.7441864618. The cubic root of 27131016 is about 300.4844616796.

Adding to 27131016 its reverse (61013172), we get a palindrome (88144188).

The spelling of 27131016 in words is "twenty-seven million, one hundred thirty-one thousand, sixteen".