329068331 has 4 divisors (see below), whose sum is σ = 329108472. Its totient is φ = 329028192.

The previous prime is 329068319. The next prime is 329068339. The reversal of 329068331 is 133860923.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133860923 = 7 ⋅19122989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329068331 is a prime.

It is a super-2 number, since 2×329068331² = 216571932934251122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 329068291 and 329068300.

It is not an unprimeable number, because it can be changed into a prime (329068339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846 + ... + 25811.

It is an arithmetic number, because the mean of its divisors is an integer number (82277118).

Almost surely, 2^329068331 is an apocalyptic number.

329068331 is a deficient number, since it is larger than the sum of its proper divisors (40141).

329068331 is a wasteful number, since it uses less digits than its factorization.

329068331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 329068331 is about 18140.2406544125. The cubic root of 329068331 is about 690.3913840610.

The spelling of 329068331 in words is "three hundred twenty-nine million, sixty-eight thousand, three hundred thirty-one".