320133011 has 4 divisors (see below), whose sum is σ = 349236024. Its totient is φ = 291030000.

The previous prime is 320132987. The next prime is 320133013. The reversal of 320133011 is 110331023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320133011 - 2⁶ = 320132947 is a prime.

It is a super-2 number, since 2×320133011² = 204970289463852242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133013) 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, 14551490 + ... + 14551511.

It is an arithmetic number, because the mean of its divisors is an integer number (87309006).

Almost surely, 2^320133011 is an apocalyptic number.

320133011 is a deficient number, since it is larger than the sum of its proper divisors (29103013).

320133011 is a wasteful number, since it uses less digits than its factorization.

320133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29103012.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 320133011 is about 17892.2612042190. The cubic root of 320133011 is about 684.0851345476.

Adding to 320133011 its reverse (110331023), we get a palindrome (430464034).

It can be divided in two parts, 320 and 133011, that added together give a palindrome (133331).

The spelling of 320133011 in words is "three hundred twenty million, one hundred thirty-three thousand, eleven".