47481311 has 4 divisors (see below), whose sum is σ = 47544792. Its totient is φ = 47417832.

The previous prime is 47481307. The next prime is 47481341. The reversal of 47481311 is 11318474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11318474 = 2 ⋅5659237.

It is a cyclic number.

It is not a de Polignac number, because 47481311 - 2² = 47481307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47481341) 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, 30605 + ... + 32118.

It is an arithmetic number, because the mean of its divisors is an integer number (11886198).

Almost surely, 2^47481311 is an apocalyptic number.

47481311 is a deficient number, since it is larger than the sum of its proper divisors (63481).

47481311 is an equidigital number, since it uses as much as digits as its factorization.

47481311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63480.

The product of its digits is 2688, while the sum is 29.

The square root of 47481311 is about 6890.6684000901. The cubic root of 47481311 is about 362.1103186254.

Adding to 47481311 its reverse (11318474), we get a palindrome (58799785).

The spelling of 47481311 in words is "forty-seven million, four hundred eighty-one thousand, three hundred eleven".