31996841 has 8 divisors (see below), whose sum is σ = 33696960. Its totient is φ = 30322512.

The previous prime is 31996837. The next prime is 31996871. The reversal of 31996841 is 14869913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31996841 - 2² = 31996837 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31996871) 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, 3875 + ... + 8888.

It is an arithmetic number, because the mean of its divisors is an integer number (4212120).

Almost surely, 2^31996841 is an apocalyptic number.

It is an amenable number.

31996841 is a deficient number, since it is larger than the sum of its proper divisors (1700119).

31996841 is a wasteful number, since it uses less digits than its factorization.

31996841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895.

The product of its digits is 46656, while the sum is 41.

The square root of 31996841 is about 5656.5750238108. The cubic root of 31996841 is about 317.4697629667.

The spelling of 31996841 in words is "thirty-one million, nine hundred ninety-six thousand, eight hundred forty-one".