403204313 has 4 divisors (see below), whose sum is σ = 417107940. Its totient is φ = 389300688.

The previous prime is 403204309. The next prime is 403204357. The reversal of 403204313 is 313402304.

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 131515024 + 271689289 = 11468^2 + 16483^2 .

It is a cyclic number.

It is not a de Polignac number, because 403204313 - 2² = 403204309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403204303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951770 + ... + 6951827.

It is an arithmetic number, because the mean of its divisors is an integer number (104276985).

Almost surely, 2^403204313 is an apocalyptic number.

It is an amenable number.

403204313 is a deficient number, since it is larger than the sum of its proper divisors (13903627).

403204313 is a wasteful number, since it uses less digits than its factorization.

403204313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13903626.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 403204313 is about 20079.9480328013. The cubic root of 403204313 is about 738.7685343441.

Adding to 403204313 its reverse (313402304), we get a palindrome (716606617).

The spelling of 403204313 in words is "four hundred three million, two hundred four thousand, three hundred thirteen".