47231101 has 4 divisors (see below), whose sum is σ = 47262204. Its totient is φ = 47200000.

The previous prime is 47231069. The next prime is 47231113. The reversal of 47231101 is 10113274.

47231101 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 can be written as a sum of positive squares in 2 ways, for example, as 37527876 + 9703225 = 6126^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 47231101 - 2⁵ = 47231069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47234101) 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, 13150 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (11815551).

Almost surely, 2^47231101 is an apocalyptic number.

It is an amenable number.

47231101 is a deficient number, since it is larger than the sum of its proper divisors (31103).

47231101 is a wasteful number, since it uses less digits than its factorization.

47231101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31102.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 47231101 is about 6872.4887049743. The cubic root of 47231101 is about 361.4731329036.

Adding to 47231101 its reverse (10113274), we get a palindrome (57344375).

The spelling of 47231101 in words is "forty-seven million, two hundred thirty-one thousand, one hundred one".