31968401 has 8 divisors (see below), whose sum is σ = 32323200. Its totient is φ = 31615920.

The previous prime is 31968359. The next prime is 31968421. The reversal of 31968401 is 10486913.

It is a happy number.

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 31968401 - 2¹⁴ = 31952017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31968421) 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, 42890 + ... + 43628.

It is an arithmetic number, because the mean of its divisors is an integer number (4040400).

Almost surely, 2^31968401 is an apocalyptic number.

It is an amenable number.

31968401 is a deficient number, since it is larger than the sum of its proper divisors (354799).

31968401 is a wasteful number, since it uses less digits than its factorization.

31968401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 31968401 is about 5654.0605762584. The cubic root of 31968401 is about 317.3756753822.

The spelling of 31968401 in words is "thirty-one million, nine hundred sixty-eight thousand, four hundred one".