31104789 has 8 divisors (see below), whose sum is σ = 42041472. Its totient is φ = 20452320.

The previous prime is 31104779. The next prime is 31104833. The reversal of 31104789 is 98740113.

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

It is not a de Polignac number, because 31104789 - 2²¹ = 29007637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70797 + ... + 71234.

It is an arithmetic number, because the mean of its divisors is an integer number (5255184).

Almost surely, 2^31104789 is an apocalyptic number.

It is an amenable number.

31104789 is a deficient number, since it is larger than the sum of its proper divisors (10936683).

31104789 is a wasteful number, since it uses less digits than its factorization.

31104789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142107.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 31104789 is about 5577.1667538276. The cubic root of 31104789 is about 314.4916264453.

The spelling of 31104789 in words is "thirty-one million, one hundred four thousand, seven hundred eighty-nine".