31423227 has 8 divisors (see below), whose sum is σ = 45706560. Its totient is φ = 19044360.

The previous prime is 31423187. The next prime is 31423237. The reversal of 31423227 is 72232413.

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

It is not a de Polignac number, because 31423227 - 2⁷ = 31423099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31423197 and 31423206.

It is not an unprimeable number, because it can be changed into a prime (31423237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476077 + ... + 476142.

It is an arithmetic number, because the mean of its divisors is an integer number (5713320).

Almost surely, 2^31423227 is an apocalyptic number.

31423227 is a deficient number, since it is larger than the sum of its proper divisors (14283333).

31423227 is a wasteful number, since it uses less digits than its factorization.

31423227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952233.

The product of its digits is 2016, while the sum is 24.

The square root of 31423227 is about 5605.6424252712. The cubic root of 31423227 is about 315.5611966185.

The spelling of 31423227 in words is "thirty-one million, four hundred twenty-three thousand, two hundred twenty-seven".