47011313 has 4 divisors (see below), whose sum is σ = 47539620. Its totient is φ = 46483008.

The previous prime is 47011309. The next prime is 47011331. The reversal of 47011313 is 31311074.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15460624 + 31550689 = 3932^2 + 5617^2 .

It is a cyclic number.

It is not a de Polignac number, because 47011313 - 2² = 47011309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47001313) 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, 264020 + ... + 264197.

It is an arithmetic number, because the mean of its divisors is an integer number (11884905).

Almost surely, 2^47011313 is an apocalyptic number.

It is an amenable number.

47011313 is a deficient number, since it is larger than the sum of its proper divisors (528307).

47011313 is an equidigital number, since it uses as much as digits as its factorization.

47011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528306.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 47011313 is about 6856.4796360815. The cubic root of 47011313 is about 360.9115607615.

Adding to 47011313 its reverse (31311074), we get a palindrome (78322387).

The spelling of 47011313 in words is "forty-seven million, eleven thousand, three hundred thirteen".