47311427 has 2 divisors, whose sum is σ = 47311428. Its totient is φ = 47311426.

The previous prime is 47311403. The next prime is 47311477. The reversal of 47311427 is 72411374.

47311427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47311427 - 2¹² = 47307331 is a prime.

It is a super-2 number, since 2×47311427² = 4476742249552658, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47311427.

It is not a weakly prime, because it can be changed into another prime (47311477) 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 as a sum of consecutive naturals, namely, 23655713 + 23655714.

It is an arithmetic number, because the mean of its divisors is an integer number (23655714).

Almost surely, 2^47311427 is an apocalyptic number.

47311427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47311427 is an equidigital number, since it uses as much as digits as its factorization.

47311427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 47311427 is about 6878.3302479599. The cubic root of 47311427 is about 361.6779361332.

The spelling of 47311427 in words is "forty-seven million, three hundred eleven thousand, four hundred twenty-seven".