320011130232 has 96 divisors (see below), whose sum is σ = 875577530880. Its totient is φ = 105578092800.

The previous prime is 320011130203. The next prime is 320011130237. The reversal of 320011130232 is 232031110023.

320011130232 is a `hidden beast` number, since 320 + 0 + 1 + 11 + 302 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320011130237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28842478 + ... + 28853570.

It is an arithmetic number, because the mean of its divisors is an integer number (9120599280).

Almost surely, 2^320011130232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320011130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437788765440).

320011130232 is an abundant number, since it is smaller than the sum of its proper divisors (555566400648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320011130232 is a wasteful number, since it uses less digits than its factorization.

320011130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15173 (or 15166 counting only the distinct ones).

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

Adding to 320011130232 its reverse (232031110023), we get a palindrome (552042240255).

The spelling of 320011130232 in words is "three hundred twenty billion, eleven million, one hundred thirty thousand, two hundred thirty-two".