31233226 has 16 divisors (see below), whose sum is σ = 50520960. Its totient is φ = 14433120.

The previous prime is 31233221. The next prime is 31233227. The reversal of 31233226 is 62233213.

It is a junction number, because it is equal to n+sod(n) for n = 31233197 and 31233206.

It is not an unprimeable number, because it can be changed into a prime (31233221) 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, 8466 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (3157560).

Almost surely, 2^31233226 is an apocalyptic number.

31233226 is a deficient number, since it is larger than the sum of its proper divisors (19287734).

31233226 is a wasteful number, since it uses less digits than its factorization.

31233226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109.

The product of its digits is 1296, while the sum is 22.

The square root of 31233226 is about 5588.6694301953. The cubic root of 31233226 is about 314.9238952786.

Adding to 31233226 its reverse (62233213), we get a palindrome (93466439).

The spelling of 31233226 in words is "thirty-one million, two hundred thirty-three thousand, two hundred twenty-six".