31472227 has 8 divisors (see below), whose sum is σ = 33354000. Its totient is φ = 29613024.

The previous prime is 31472209. The next prime is 31472239. The reversal of 31472227 is 72227413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31472227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31472195 and 31472204.

It is not an unprimeable number, because it can be changed into a prime (31472827) 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, 2728 + ... + 8389.

It is an arithmetic number, because the mean of its divisors is an integer number (4169250).

Almost surely, 2^31472227 is an apocalyptic number.

31472227 is a deficient number, since it is larger than the sum of its proper divisors (1881773).

31472227 is a wasteful number, since it uses less digits than its factorization.

31472227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285.

The product of its digits is 4704, while the sum is 28.

The square root of 31472227 is about 5610.0113190617. The cubic root of 31472227 is about 315.7251355249.

The spelling of 31472227 in words is "thirty-one million, four hundred seventy-two thousand, two hundred twenty-seven".