47311 has 12 divisors (see below), whose sum is σ = 57456. Its totient is φ = 38720.

The previous prime is 47309. The next prime is 47317. The reversal of 47311 is 11374.

It is not a de Polignac number, because 47311 - 2¹ = 47309 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2046 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (4788).

2⁴⁷³¹¹ is an apocalyptic number.

47311 is a deficient number, since it is larger than the sum of its proper divisors (10145).

47311 is a wasteful number, since it uses less digits than its factorization.

47311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 51 counting only the distinct ones).

The product of its digits is 84, while the sum is 16.

The square root of 47311 is about 217.5109192661. The cubic root of 47311 is about 36.1676848045.

Adding to 47311 its reverse (11374), we get a palindrome (58685).

Subtracting from 47311 its reverse (11374), we obtain a cube (35937 = 33³).

It can be divided in two parts, 473 and 11, that added together give a palindrome (484).

The spelling of 47311 in words is "forty-seven thousand, three hundred eleven", and thus it is an iban number.