47231011 has 4 divisors (see below), whose sum is σ = 48754624. Its totient is φ = 45707400.

The previous prime is 47230999. The next prime is 47231027. The reversal of 47231011 is 11013274.

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

It is a cyclic number.

It is not a de Polignac number, because 47231011 - 2⁹ = 47230499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47231011.

It is not an unprimeable number, because it can be changed into a prime (47231311) 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, 761760 + ... + 761821.

It is an arithmetic number, because the mean of its divisors is an integer number (12188656).

Almost surely, 2^47231011 is an apocalyptic number.

47231011 is a deficient number, since it is larger than the sum of its proper divisors (1523613).

47231011 is a wasteful number, since it uses less digits than its factorization.

47231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523612.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 47231011 is about 6872.4821571249. The cubic root of 47231011 is about 361.4729033049.

Adding to 47231011 its reverse (11013274), we get a palindrome (58244285).

The spelling of 47231011 in words is "forty-seven million, two hundred thirty-one thousand, eleven".