47031 has 8 divisors (see below), whose sum is σ = 63984. Its totient is φ = 30720.

The previous prime is 47017. The next prime is 47041. The reversal of 47031 is 13074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47031 - 2¹¹ = 44983 is a prime.

It is a super-2 number, since 2×47031² = 4423829922, which contains 22 as substring.

47031 is an undulating number in base 16.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 47031.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 47031.

It is not an unprimeable number, because it can be changed into a prime (47041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55 + ... + 311.

It is an arithmetic number, because the mean of its divisors is an integer number (7998).

2⁴⁷⁰³¹ is an apocalyptic number.

47031 is a deficient number, since it is larger than the sum of its proper divisors (16953).

47031 is a wasteful number, since it uses less digits than its factorization.

47031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 47031 is about 216.8663182700. The cubic root of 47031 is about 36.0961933561.

The spelling of 47031 in words is "forty-seven thousand, thirty-one".