47240311 has 8 divisors (see below), whose sum is σ = 49803264. Its totient is φ = 44742360.

The previous prime is 47240309. The next prime is 47240329. The reversal of 47240311 is 11304274.

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

It is a cyclic number.

It is not a de Polignac number, because 47240311 - 2¹ = 47240309 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 (47247311) 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, 14755 + ... + 17668.

It is an arithmetic number, because the mean of its divisors is an integer number (6225408).

Almost surely, 2^47240311 is an apocalyptic number.

47240311 is a deficient number, since it is larger than the sum of its proper divisors (2562953).

47240311 is a wasteful number, since it uses less digits than its factorization.

47240311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32501.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 47240311 is about 6873.1587352541. The cubic root of 47240311 is about 361.4966269652.

Adding to 47240311 its reverse (11304274), we get a palindrome (58544585).

The spelling of 47240311 in words is "forty-seven million, two hundred forty thousand, three hundred eleven".