31226 has 8 divisors (see below), whose sum is σ = 50484. Its totient is φ = 14400.

The previous prime is 31223. The next prime is 31231. The reversal of 31226 is 62213.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 9025 = 149^2 + 95^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 31226.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 31226.

It is not an unprimeable number, because it can be changed into a prime (31223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575 + ... + 626.

2³¹²²⁶ is an apocalyptic number.

31226 is a deficient number, since it is larger than the sum of its proper divisors (19258).

31226 is a wasteful number, since it uses less digits than its factorization.

31226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its digits is 72, while the sum is 14.

The square root of 31226 is about 176.7088000072. The cubic root of 31226 is about 31.4899606875.

Adding to 31226 its reverse (62213), we get a palindrome (93439).

The spelling of 31226 in words is "thirty-one thousand, two hundred twenty-six".