2031323329 has 8 divisors (see below), whose sum is σ = 2396400128. Its totient is φ = 1684968480.

The previous prime is 2031323323. The next prime is 2031323341. The reversal of 2031323329 is 9233231302.

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 2031323329 - 2⁵ = 2031323297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031323297 and 2031323306.

It is not an unprimeable number, because it can be changed into a prime (2031323323) 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 7 ways as a sum of consecutive naturals, for example, 4680252 + ... + 4680685.

It is an arithmetic number, because the mean of its divisors is an integer number (299550016).

Almost surely, 2^2031323329 is an apocalyptic number.

It is an amenable number.

2031323329 is a deficient number, since it is larger than the sum of its proper divisors (365076799).

2031323329 is an equidigital number, since it uses as much as digits as its factorization.

2031323329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360975.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 2031323329 is about 45070.2044481717. The cubic root of 2031323329 is about 1266.4644943797.

The spelling of 2031323329 in words is "two billion, thirty-one million, three hundred twenty-three thousand, three hundred twenty-nine".