31947014 has 16 divisors (see below), whose sum is σ = 52425360. Its totient is φ = 14480160.

The previous prime is 31947011. The next prime is 31947053. The reversal of 31947014 is 41074913.

It is a super-2 number, since 2×31947014² = 2041223407032392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31947011) 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, 6692 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (3276585).

Almost surely, 2^31947014 is an apocalyptic number.

31947014 is a deficient number, since it is larger than the sum of its proper divisors (20478346).

31947014 is a wasteful number, since it uses less digits than its factorization.

31947014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 31947014 is about 5652.1689642119. The cubic root of 31947014 is about 317.3048843554.

The spelling of 31947014 in words is "thirty-one million, nine hundred forty-seven thousand, fourteen".