320231023011 has 48 divisors (see below), whose sum is σ = 508351334400. Its totient is φ = 193350744576.

The previous prime is 320231022977. The next prime is 320231023019. The reversal of 320231023011 is 110320132023.

320231023011 is a `hidden beast` number, since 320 + 2 + 310 + 2 + 30 + 1 + 1 = 666.

It is not a de Polignac number, because 320231023011 - 2⁷ = 320231022883 is a prime.

It is a super-2 number, since 2×320231023011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320231023019) 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 47 ways as a sum of consecutive naturals, for example, 7407886 + ... + 7450988.

It is an arithmetic number, because the mean of its divisors is an integer number (10590652800).

Almost surely, 2^320231023011 is an apocalyptic number.

320231023011 is a deficient number, since it is larger than the sum of its proper divisors (188120311389).

320231023011 is a wasteful number, since it uses less digits than its factorization.

320231023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45040 (or 45037 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320231023011 its reverse (110320132023), we get a palindrome (430551155034).

The spelling of 320231023011 in words is "three hundred twenty billion, two hundred thirty-one million, twenty-three thousand, eleven".