320046013 has 16 divisors (see below), whose sum is σ = 385515520. Its totient is φ = 259551216.

The previous prime is 320046007. The next prime is 320046017. The reversal of 320046013 is 310640023.

It is a cyclic number.

It is not a de Polignac number, because 320046013 - 2⁹ = 320045501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320046017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191620 + ... + 193282.

It is an arithmetic number, because the mean of its divisors is an integer number (24094720).

Almost surely, 2^320046013 is an apocalyptic number.

It is an amenable number.

320046013 is a deficient number, since it is larger than the sum of its proper divisors (65469507).

320046013 is a wasteful number, since it uses less digits than its factorization.

320046013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 320046013 is about 17889.8298762174. The cubic root of 320046013 is about 684.0231609008.

Adding to 320046013 its reverse (310640023), we get a palindrome (630686036).

The spelling of 320046013 in words is "three hundred twenty million, forty-six thousand, thirteen".