402324313 has 4 divisors (see below), whose sum is σ = 403193728. Its totient is φ = 401454900.

The previous prime is 402324311. The next prime is 402324317. The reversal of 402324313 is 313423204.

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 402324313 - 2¹ = 402324311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402324311) 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, 434013 + ... + 434938.

It is an arithmetic number, because the mean of its divisors is an integer number (100798432).

Almost surely, 2^402324313 is an apocalyptic number.

It is an amenable number.

402324313 is a deficient number, since it is larger than the sum of its proper divisors (869415).

402324313 is an equidigital number, since it uses as much as digits as its factorization.

402324313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869414.

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

The square root of 402324313 is about 20058.0236563825. The cubic root of 402324313 is about 738.2306847340.

Adding to 402324313 its reverse (313423204), we get a palindrome (715747517).

The spelling of 402324313 in words is "four hundred two million, three hundred twenty-four thousand, three hundred thirteen".