329315813 has 8 divisors (see below), whose sum is σ = 337732416. Its totient is φ = 320917600.

The previous prime is 329315783. The next prime is 329315827. The reversal of 329315813 is 318513923.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329315813 - 2⁸ = 329315557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329315843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36218 + ... + 44388.

It is an arithmetic number, because the mean of its divisors is an integer number (42216552).

Almost surely, 2^329315813 is an apocalyptic number.

It is an amenable number.

329315813 is a deficient number, since it is larger than the sum of its proper divisors (8416603).

329315813 is an equidigital number, since it uses as much as digits as its factorization.

329315813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195.

The product of its digits is 19440, while the sum is 35.

The square root of 329315813 is about 18147.0607261892. The cubic root of 329315813 is about 690.5644146139.

The spelling of 329315813 in words is "three hundred twenty-nine million, three hundred fifteen thousand, eight hundred thirteen".