31814049 has 8 divisors (see below), whose sum is σ = 42494560. Its totient is φ = 21171456.

The previous prime is 31814047. The next prime is 31814059. The reversal of 31814049 is 94041813.

It is a happy number.

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

It is not a de Polignac number, because 31814049 - 2¹ = 31814047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31814047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7459 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (5311820).

Almost surely, 2^31814049 is an apocalyptic number.

It is an amenable number.

31814049 is a deficient number, since it is larger than the sum of its proper divisors (10680511).

31814049 is a wasteful number, since it uses less digits than its factorization.

31814049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18959.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 31814049 is about 5640.3944011035. The cubic root of 31814049 is about 316.8640595097.

The spelling of 31814049 in words is "thirty-one million, eight hundred fourteen thousand, forty-nine".