320180613 has 8 divisors (see below), whose sum is σ = 426991488. Its totient is φ = 213411744.

The previous prime is 320180599. The next prime is 320180629. The reversal of 320180613 is 316081023.

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

It is not a de Polignac number, because 320180613 - 2⁹ = 320180101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320180683) 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, 19681 + ... + 32057.

It is an arithmetic number, because the mean of its divisors is an integer number (53373936).

Almost surely, 2^320180613 is an apocalyptic number.

It is an amenable number.

320180613 is a deficient number, since it is larger than the sum of its proper divisors (106810875).

320180613 is a wasteful number, since it uses less digits than its factorization.

320180613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21003.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 320180613 is about 17893.5913946865. The cubic root of 320180613 is about 684.1190394200.

The spelling of 320180613 in words is "three hundred twenty million, one hundred eighty thousand, six hundred thirteen".