31622093 has 8 divisors (see below), whose sum is σ = 32815800. Its totient is φ = 30435328.

The previous prime is 31622081. The next prime is 31622113. The reversal of 31622093 is 39022613.

It can be written as a sum of positive squares in 4 ways, for example, as 10259209 + 21362884 = 3203^2 + 4622^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31622093 - 2¹² = 31617997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31622293) 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, 8693 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (4101975).

Almost surely, 2^31622093 is an apocalyptic number.

It is an amenable number.

31622093 is a deficient number, since it is larger than the sum of its proper divisors (1193707).

31622093 is a wasteful number, since it uses less digits than its factorization.

31622093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 31622093 is about 5623.3524698351. The cubic root of 31622093 is about 316.2254873281.

The spelling of 31622093 in words is "thirty-one million, six hundred twenty-two thousand, ninety-three".