320213013 has 4 divisors (see below), whose sum is σ = 426950688. Its totient is φ = 213475340.

The previous prime is 320212987. The next prime is 320213017. The reversal of 320213013 is 310312023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320213013 - 2¹³ = 320204821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320212983 and 320213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53368833 + ... + 53368838.

It is an arithmetic number, because the mean of its divisors is an integer number (106737672).

Almost surely, 2^320213013 is an apocalyptic number.

It is an amenable number.

320213013 is a deficient number, since it is larger than the sum of its proper divisors (106737675).

320213013 is a wasteful number, since it uses less digits than its factorization.

320213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106737674.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320213013 is about 17894.4967238534. The cubic root of 320213013 is about 684.1421146348.

Adding to 320213013 its reverse (310312023), we get a palindrome (630525036).

The spelling of 320213013 in words is "three hundred twenty million, two hundred thirteen thousand, thirteen".