47431043 has 4 divisors (see below), whose sum is σ = 51742968. Its totient is φ = 43119120.

The previous prime is 47431031. The next prime is 47431051. The reversal of 47431043 is 34013474.

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

It is not a de Polignac number, because 47431043 - 2⁸ = 47430787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47431073) 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, 2155946 + ... + 2155967.

It is an arithmetic number, because the mean of its divisors is an integer number (12935742).

Almost surely, 2^47431043 is an apocalyptic number.

47431043 is a deficient number, since it is larger than the sum of its proper divisors (4311925).

47431043 is a wasteful number, since it uses less digits than its factorization.

47431043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311924.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 47431043 is about 6887.0198925225. The cubic root of 47431043 is about 361.9824859510.

Subtracting from 47431043 its reverse (34013474), we obtain a square (13417569 = 3663²).

The spelling of 47431043 in words is "forty-seven million, four hundred thirty-one thousand, forty-three".