320102429 has 8 divisors (see below), whose sum is σ = 329102040. Its totient is φ = 311121216.

The previous prime is 320102417. The next prime is 320102459. The reversal of 320102429 is 924201023.

It can be written as a sum of positive squares in 4 ways, for example, as 94051204 + 226051225 = 9698^2 + 15035^2 .

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 320102429 - 2⁴ = 320102413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320102459) 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 7 ways as a sum of consecutive naturals, for example, 35507 + ... + 43599.

It is an arithmetic number, because the mean of its divisors is an integer number (41137755).

Almost surely, 2^320102429 is an apocalyptic number.

It is an amenable number.

320102429 is a deficient number, since it is larger than the sum of its proper divisors (8999611).

320102429 is a wasteful number, since it uses less digits than its factorization.

320102429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9199.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 320102429 is about 17891.4065685177. The cubic root of 320102429 is about 684.0633505213.

The spelling of 320102429 in words is "three hundred twenty million, one hundred two thousand, four hundred twenty-nine".