320001011 has 16 divisors (see below), whose sum is σ = 354324480. Its totient is φ = 286584480.

The previous prime is 320001007. The next prime is 320001043. The reversal of 320001011 is 110100023.

It is a cyclic number.

It is not a de Polignac number, because 320001011 - 2² = 320001007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320001011.

It is not an unprimeable number, because it can be changed into a prime (320001611) 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, 218600 + ... + 220058.

It is an arithmetic number, because the mean of its divisors is an integer number (22145280).

Almost surely, 2^320001011 is an apocalyptic number.

320001011 is a deficient number, since it is larger than the sum of its proper divisors (34323469).

320001011 is a wasteful number, since it uses less digits than its factorization.

320001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 320001011 is about 17888.5720782851. The cubic root of 320001011 is about 683.9910989973.

Adding to 320001011 its reverse (110100023), we get a palindrome (430101034).

The spelling of 320001011 in words is "three hundred twenty million, one thousand, eleven".