2240331311 has 4 divisors (see below), whose sum is σ = 2240966472. Its totient is φ = 2239696152.

The previous prime is 2240331299. The next prime is 2240331361. The reversal of 2240331311 is 1131330422.

2240331311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240331311 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 (2240331361) 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, 312260 + ... + 319353.

It is an arithmetic number, because the mean of its divisors is an integer number (560241618).

Almost surely, 2^2240331311 is an apocalyptic number.

2240331311 is a deficient number, since it is larger than the sum of its proper divisors (635161).

2240331311 is an equidigital number, since it uses as much as digits as its factorization.

2240331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635160.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2240331311 is about 47332.1382466501. The cubic root of 2240331311 is about 1308.4910292435.

Adding to 2240331311 its reverse (1131330422), we get a palindrome (3371661733).

The spelling of 2240331311 in words is "two billion, two hundred forty million, three hundred thirty-one thousand, three hundred eleven".