47131011 has 8 divisors (see below), whose sum is σ = 69823760. Its totient is φ = 31420656.

The previous prime is 47131009. The next prime is 47131027. The reversal of 47131011 is 11013174.

47131011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47131011 - 2¹ = 47131009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47131031) 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 7 ways as a sum of consecutive naturals, for example, 872770 + ... + 872823.

It is an arithmetic number, because the mean of its divisors is an integer number (8727970).

Almost surely, 2^47131011 is an apocalyptic number.

47131011 is a deficient number, since it is larger than the sum of its proper divisors (22692749).

47131011 is a wasteful number, since it uses less digits than its factorization.

47131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745602 (or 1745596 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 47131011 is about 6865.2029103297. The cubic root of 47131011 is about 361.2176131851.

Adding to 47131011 its reverse (11013174), we get a palindrome (58144185).

The spelling of 47131011 in words is "forty-seven million, one hundred thirty-one thousand, eleven".