31314422 has 8 divisors (see below), whose sum is σ = 47155176. Its totient is φ = 15596032.

The previous prime is 31314407. The next prime is 31314457. The reversal of 31314422 is 22441313.

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 = 31314394 and 31314403.

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, 29948 + ... + 30975.

It is an arithmetic number, because the mean of its divisors is an integer number (5894397).

Almost surely, 2^31314422 is an apocalyptic number.

31314422 is a deficient number, since it is larger than the sum of its proper divisors (15840754).

31314422 is a wasteful number, since it uses less digits than its factorization.

31314422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61182.

The product of its digits is 576, while the sum is 20.

The square root of 31314422 is about 5595.9290560192. The cubic root of 31314422 is about 315.1965582672.

Adding to 31314422 its reverse (22441313), we get a palindrome (53755735).

The spelling of 31314422 in words is "thirty-one million, three hundred fourteen thousand, four hundred twenty-two".