2013240343 has 4 divisors (see below), whose sum is σ = 2062343808. Its totient is φ = 1964136880.

The previous prime is 2013240319. The next prime is 2013240367. The reversal of 2013240343 is 3430423102.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2013240319) and next prime (2013240367).

It is a cyclic number.

It is not a de Polignac number, because 2013240343 - 2¹⁷ = 2013109271 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 (2013240143) 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, 24551671 + ... + 24551752.

It is an arithmetic number, because the mean of its divisors is an integer number (515585952).

Almost surely, 2^2013240343 is an apocalyptic number.

2013240343 is a deficient number, since it is larger than the sum of its proper divisors (49103465).

2013240343 is an equidigital number, since it uses as much as digits as its factorization.

2013240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49103464.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2013240343 is about 44869.1468940518. The cubic root of 2013240343 is about 1262.6952348203.

Adding to 2013240343 its reverse (3430423102), we get a palindrome (5443663445).

The spelling of 2013240343 in words is "two billion, thirteen million, two hundred forty thousand, three hundred forty-three".