31768234 has 4 divisors (see below), whose sum is σ = 47652354. Its totient is φ = 15884116.

The previous prime is 31768229. The next prime is 31768241. The reversal of 31768234 is 43286713.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43286713 = 23 ⋅1882031.

It can be written as a sum of positive squares in only one way, i.e., 29127609 + 2640625 = 5397^2 + 1625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31768234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7942057 + ... + 7942060.

Almost surely, 2^31768234 is an apocalyptic number.

31768234 is a deficient number, since it is larger than the sum of its proper divisors (15884120).

31768234 is a wasteful number, since it uses less digits than its factorization.

31768234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15884119.

The product of its digits is 24192, while the sum is 34.

The square root of 31768234 is about 5636.3316084134. The cubic root of 31768234 is about 316.7118824939.

The spelling of 31768234 in words is "thirty-one million, seven hundred sixty-eight thousand, two hundred thirty-four".