47312371 has 2 divisors, whose sum is σ = 47312372. Its totient is φ = 47312370.

The previous prime is 47312359. The next prime is 47312383. The reversal of 47312371 is 17321374.

It is a balanced prime because it is at equal distance from previous prime (47312359) and next prime (47312383).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47312371 is a prime.

It is not a weakly prime, because it can be changed into another prime (47312351) 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 as a sum of consecutive naturals, namely, 23656185 + 23656186.

It is an arithmetic number, because the mean of its divisors is an integer number (23656186).

Almost surely, 2^47312371 is an apocalyptic number.

47312371 is a deficient number, since it is larger than the sum of its proper divisors (1).

47312371 is an equidigital number, since it uses as much as digits as its factorization.

47312371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 28.

The square root of 47312371 is about 6878.3988689229. The cubic root of 47312371 is about 361.6803416246.

The spelling of 47312371 in words is "forty-seven million, three hundred twelve thousand, three hundred seventy-one".