47131211 has 2 divisors, whose sum is σ = 47131212. Its totient is φ = 47131210.

The previous prime is 47131207. The next prime is 47131219. The reversal of 47131211 is 11213174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47131211 - 2² = 47131207 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47131219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23565605 + 23565606.

It is an arithmetic number, because the mean of its divisors is an integer number (23565606).

Almost surely, 2^47131211 is an apocalyptic number.

47131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

47131211 is an equidigital number, since it uses as much as digits as its factorization.

47131211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 47131211 is about 6865.2174765261. The cubic root of 47131211 is about 361.2181241256.

Adding to 47131211 its reverse (11213174), we get a palindrome (58344385).

The spelling of 47131211 in words is "forty-seven million, one hundred thirty-one thousand, two hundred eleven".