320142011 has 32 divisors (see below), whose sum is σ = 397042560. Its totient is φ = 251928576.

The previous prime is 320142007. The next prime is 320142041. The reversal of 320142011 is 110241023.

It is not a de Polignac number, because 320142011 - 2² = 320142007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189985 + ... + 1190253.

It is an arithmetic number, because the mean of its divisors is an integer number (12407580).

Almost surely, 2^320142011 is an apocalyptic number.

320142011 is a deficient number, since it is larger than the sum of its proper divisors (76900549).

320142011 is a wasteful number, since it uses less digits than its factorization.

320142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 320142011 is about 17892.5127078340. The cubic root of 320142011 is about 684.0915451210.

Adding to 320142011 its reverse (110241023), we get a palindrome (430383034).

The spelling of 320142011 in words is "three hundred twenty million, one hundred forty-two thousand, eleven".