47107131 has 4 divisors (see below), whose sum is σ = 62809512. Its totient is φ = 31404752.

The previous prime is 47107129. The next prime is 47107141. The reversal of 47107131 is 13170174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47107131 - 2¹ = 47107129 is a prime.

It is a super-2 number, since 2×47107131² = 4438163582102322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47107111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7851186 + ... + 7851191.

It is an arithmetic number, because the mean of its divisors is an integer number (15702378).

Almost surely, 2^47107131 is an apocalyptic number.

47107131 is a deficient number, since it is larger than the sum of its proper divisors (15702381).

47107131 is a wasteful number, since it uses less digits than its factorization.

47107131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15702380.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 47107131 is about 6863.4634842767. The cubic root of 47107131 is about 361.1565965023.

The spelling of 47107131 in words is "forty-seven million, one hundred seven thousand, one hundred thirty-one".