320213011 has 8 divisors (see below), whose sum is σ = 325812240. Its totient is φ = 314658432.

The previous prime is 320212987. The next prime is 320213017. The reversal of 320213011 is 110312023.

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

It is not a de Polignac number, because 320213011 - 2⁵ = 320212979 is a prime.

It is a super-2 number, since 2×320213011² = 205072744827372242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320212982 and 320213000.

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 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 25543.

It is an arithmetic number, because the mean of its divisors is an integer number (40726530).

Almost surely, 2^320213011 is an apocalyptic number.

320213011 is a deficient number, since it is larger than the sum of its proper divisors (5599229).

320213011 is a wasteful number, since it uses less digits than its factorization.

320213011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22325.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 320213011 is about 17894.4966679703. The cubic root of 320213011 is about 684.1421132105.

Adding to 320213011 its reverse (110312023), we get a palindrome (430525034).

The spelling of 320213011 in words is "three hundred twenty million, two hundred thirteen thousand, eleven".