31089794 has 8 divisors (see below), whose sum is σ = 46895760. Its totient is φ = 15457876.

The previous prime is 31089733. The next prime is 31089797. The reversal of 31089794 is 49798013.

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 (31089797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43064 + ... + 43779.

It is an arithmetic number, because the mean of its divisors is an integer number (5861970).

Almost surely, 2^31089794 is an apocalyptic number.

31089794 is a deficient number, since it is larger than the sum of its proper divisors (15805966).

31089794 is a wasteful number, since it uses less digits than its factorization.

31089794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87024.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 31089794 is about 5575.8222711991. The cubic root of 31089794 is about 314.4410816033.

The spelling of 31089794 in words is "thirty-one million, eighty-nine thousand, seven hundred ninety-four".