31226056 has 16 divisors (see below), whose sum is σ = 58647600. Its totient is φ = 15586704.

The previous prime is 31226053. The next prime is 31226057. The reversal of 31226056 is 65062213.

It is a self number, because there is not a number n which added to its sum of digits gives 31226056.

It is not an unprimeable number, because it can be changed into a prime (31226053) 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 3 ways as a sum of consecutive naturals, for example, 2311 + ... + 8233.

It is an arithmetic number, because the mean of its divisors is an integer number (3665475).

Almost surely, 2^31226056 is an apocalyptic number.

It is an amenable number.

31226056 is a deficient number, since it is larger than the sum of its proper divisors (27421544).

31226056 is a wasteful number, since it uses less digits than its factorization.

31226056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588 (or 6584 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 31226056 is about 5588.0279168952. The cubic root of 31226056 is about 314.8997951197.

Adding to 31226056 its reverse (65062213), we get a palindrome (96288269).

The spelling of 31226056 in words is "thirty-one million, two hundred twenty-six thousand, fifty-six".