424242313 has 4 divisors (see below), whose sum is σ = 462809808. Its totient is φ = 385674820.

The previous prime is 424242227. The next prime is 424242323. The reversal of 424242313 is 313242424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424242313 - 2²⁵ = 390687881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424242323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19283731 + ... + 19283752.

It is an arithmetic number, because the mean of its divisors is an integer number (115702452).

Almost surely, 2^424242313 is an apocalyptic number.

It is an amenable number.

424242313 is a deficient number, since it is larger than the sum of its proper divisors (38567495).

424242313 is a wasteful number, since it uses less digits than its factorization.

424242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38567494.

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

The square root of 424242313 is about 20597.1433213443. The cubic root of 424242313 is about 751.4002363056.

Adding to 424242313 its reverse (313242424), we get a palindrome (737484737).

The spelling of 424242313 in words is "four hundred twenty-four million, two hundred forty-two thousand, three hundred thirteen".