31240094 has 8 divisors (see below), whose sum is σ = 47218248. Its totient is φ = 15500680.

The previous prime is 31240061. The next prime is 31240109. The reversal of 31240094 is 49004213.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59357 + ... + 59880.

It is an arithmetic number, because the mean of its divisors is an integer number (5902281).

Almost surely, 2^31240094 is an apocalyptic number.

31240094 is a deficient number, since it is larger than the sum of its proper divisors (15978154).

31240094 is a wasteful number, since it uses less digits than its factorization.

31240094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119370.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 31240094 is about 5589.2838539477. The cubic root of 31240094 is about 314.9469768819.

The spelling of 31240094 in words is "thirty-one million, two hundred forty thousand, ninety-four".