31240034 has 8 divisors (see below), whose sum is σ = 53554368. Its totient is φ = 13388580.

The previous prime is 31240031. The next prime is 31240043. The reversal of 31240034 is 43004213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31239994 and 31240021.

It is not an unprimeable number, because it can be changed into a prime (31240031) 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, 1115702 + ... + 1115729.

It is an arithmetic number, because the mean of its divisors is an integer number (6694296).

Almost surely, 2^31240034 is an apocalyptic number.

31240034 is a deficient number, since it is larger than the sum of its proper divisors (22314334).

31240034 is a wasteful number, since it uses less digits than its factorization.

31240034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231440.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 31240034 is about 5589.2784865312. The cubic root of 31240034 is about 314.9467752518.

Adding to 31240034 its reverse (43004213), we get a palindrome (74244247).

The spelling of 31240034 in words is "thirty-one million, two hundred forty thousand, thirty-four".