31974106 has 8 divisors (see below), whose sum is σ = 48774240. Its totient is φ = 15716028.

The previous prime is 31974101. The next prime is 31974109. The reversal of 31974106 is 60147913.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (31974101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135366 + ... + 135601.

It is an arithmetic number, because the mean of its divisors is an integer number (6096780).

Almost surely, 2^31974106 is an apocalyptic number.

31974106 is a deficient number, since it is larger than the sum of its proper divisors (16800134).

31974106 is a wasteful number, since it uses less digits than its factorization.

31974106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271028.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 31974106 is about 5654.5650584285. The cubic root of 31974106 is about 317.3945536128.

The spelling of 31974106 in words is "thirty-one million, nine hundred seventy-four thousand, one hundred six".