31368227 has 16 divisors (see below), whose sum is σ = 35769600. Its totient is φ = 27246240.

The previous prime is 31368163. The next prime is 31368229. The reversal of 31368227 is 72286313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31368227 - 2⁶ = 31368163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31368193 and 31368202.

It is not an unprimeable number, because it can be changed into a prime (31368229) 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 15 ways as a sum of consecutive naturals, for example, 33674 + ... + 34592.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^31368227 is an apocalyptic number.

31368227 is a deficient number, since it is larger than the sum of its proper divisors (4401373).

31368227 is a wasteful number, since it uses less digits than its factorization.

31368227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its digits is 12096, while the sum is 32.

The square root of 31368227 is about 5600.7345054019. The cubic root of 31368227 is about 315.3769804265.

The spelling of 31368227 in words is "thirty-one million, three hundred sixty-eight thousand, two hundred twenty-seven".