31327994 has 16 divisors (see below), whose sum is σ = 48811488. Its totient is φ = 15068592.

The previous prime is 31327987. The next prime is 31327999. The reversal of 31327994 is 49972313.

It is not an unprimeable number, because it can be changed into a prime (31327999) 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, 3044 + ... + 8480.

It is an arithmetic number, because the mean of its divisors is an integer number (3050718).

Almost surely, 2^31327994 is an apocalyptic number.

31327994 is a deficient number, since it is larger than the sum of its proper divisors (17483494).

31327994 is a wasteful number, since it uses less digits than its factorization.

31327994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549.

The product of its digits is 40824, while the sum is 38.

The square root of 31327994 is about 5597.1415919199. The cubic root of 31327994 is about 315.2420881918.

The spelling of 31327994 in words is "thirty-one million, three hundred twenty-seven thousand, nine hundred ninety-four".