4240242313 has 4 divisors (see below), whose sum is σ = 4241018628. Its totient is φ = 4239466000.

The previous prime is 4240242311. The next prime is 4240242343. The reversal of 4240242313 is 3132420424.

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 2902731129 + 1337511184 = 53877^2 + 36572^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240242313 - 2¹ = 4240242311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240242311) 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, 379906 + ... + 390907.

It is an arithmetic number, because the mean of its divisors is an integer number (1060254657).

Almost surely, 2^4240242313 is an apocalyptic number.

It is an amenable number.

4240242313 is a deficient number, since it is larger than the sum of its proper divisors (776315).

4240242313 is an equidigital number, since it uses as much as digits as its factorization.

4240242313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776314.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4240242313 is about 65117.1430039740. The cubic root of 4240242313 is about 1618.5652990258.

Adding to 4240242313 its reverse (3132420424), we get a palindrome (7372662737).

The spelling of 4240242313 in words is "four billion, two hundred forty million, two hundred forty-two thousand, three hundred thirteen".