47933231 has 4 divisors (see below), whose sum is σ = 47947152. Its totient is φ = 47919312.

The previous prime is 47933227. The next prime is 47933239. The reversal of 47933231 is 13233974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47933231 - 2² = 47933227 is a prime.

It is a super-2 number, since 2×47933231² = 4595189268198722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47933239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (11986788).

Almost surely, 2^47933231 is an apocalyptic number.

47933231 is a deficient number, since it is larger than the sum of its proper divisors (13921).

47933231 is an equidigital number, since it uses as much as digits as its factorization.

47933231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920.

The product of its digits is 13608, while the sum is 32.

The square root of 47933231 is about 6923.3829158873. The cubic root of 47933231 is about 363.2555301988.

The spelling of 47933231 in words is "forty-seven million, nine hundred thirty-three thousand, two hundred thirty-one".