320113011 has 16 divisors (see below), whose sum is σ = 457415424. Its totient is φ = 198611424.

The previous prime is 320112973. The next prime is 320113021. The reversal of 320113011 is 110311023.

It is a de Polignac number, because none of the positive numbers 2^k-320113011 is a prime.

It is a super-2 number, since 2×320113011² = 204944679622972242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60141 + ... + 65246.

It is an arithmetic number, because the mean of its divisors is an integer number (28588464).

Almost surely, 2^320113011 is an apocalyptic number.

320113011 is a deficient number, since it is larger than the sum of its proper divisors (137302413).

320113011 is a wasteful number, since it uses less digits than its factorization.

320113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125450.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 320113011 is about 17891.7022946393. The cubic root of 320113011 is about 684.0708883987.

Adding to 320113011 its reverse (110311023), we get a palindrome (430424034).

The spelling of 320113011 in words is "three hundred twenty million, one hundred thirteen thousand, eleven".