47108231 has 4 divisors (see below), whose sum is σ = 47525232. Its totient is φ = 46691232.

The previous prime is 47108197. The next prime is 47108249. The reversal of 47108231 is 13280174.

47108231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47108231 - 2⁶ = 47108167 is a prime.

It is a super-2 number, since 2×47108231² = 4438370855898722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47108231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47108291) 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, 208331 + ... + 208556.

It is an arithmetic number, because the mean of its divisors is an integer number (11881308).

Almost surely, 2^47108231 is an apocalyptic number.

47108231 is a deficient number, since it is larger than the sum of its proper divisors (417001).

47108231 is a wasteful number, since it uses less digits than its factorization.

47108231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417000.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 47108231 is about 6863.5436182777. The cubic root of 47108231 is about 361.1594076065.

The spelling of 47108231 in words is "forty-seven million, one hundred eight thousand, two hundred thirty-one".