47099131 has 2 divisors, whose sum is σ = 47099132. Its totient is φ = 47099130.

The previous prime is 47099099. The next prime is 47099149. The reversal of 47099131 is 13199074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47099131 - 2⁵ = 47099099 is a prime.

It is a super-2 number, since 2×47099131² = 4436656281910322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47099831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23549565 + 23549566.

It is an arithmetic number, because the mean of its divisors is an integer number (23549566).

Almost surely, 2^47099131 is an apocalyptic number.

47099131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47099131 is an equidigital number, since it uses as much as digits as its factorization.

47099131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 47099131 is about 6862.8806633949. The cubic root of 47099131 is about 361.1361507914.

The spelling of 47099131 in words is "forty-seven million, ninety-nine thousand, one hundred thirty-one".