31970027 has 16 divisors (see below), whose sum is σ = 34848000. Its totient is φ = 29229984.

The previous prime is 31970009. The next prime is 31970041. The reversal of 31970027 is 72007913.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31970027 - 2⁶ = 31969963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31970927) 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 15 ways as a sum of consecutive naturals, for example, 88874 + ... + 89232.

It is an arithmetic number, because the mean of its divisors is an integer number (2178000).

Almost surely, 2^31970027 is an apocalyptic number.

31970027 is a deficient number, since it is larger than the sum of its proper divisors (2877973).

31970027 is a wasteful number, since it uses less digits than its factorization.

31970027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 31970027 is about 5654.2043648952. The cubic root of 31970027 is about 317.3810561549.

The spelling of 31970027 in words is "thirty-one million, nine hundred seventy thousand, twenty-seven".