320311121132 has 24 divisors (see below), whose sum is σ = 588841596000. Its totient is φ = 152164132736.

The previous prime is 320311121113. The next prime is 320311121161. The reversal of 320311121132 is 231121113023.

It is a happy number.

It is a super-2 number, since 2×320311121132² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11669657 + ... + 11697072.

It is an arithmetic number, because the mean of its divisors is an integer number (24535066500).

Almost surely, 2^320311121132 is an apocalyptic number.

It is an amenable number.

320311121132 is a deficient number, since it is larger than the sum of its proper divisors (268530474868).

320311121132 is a wasteful number, since it uses less digits than its factorization.

320311121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23366905 (or 23366903 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 320311121132 its reverse (231121113023), we get a palindrome (551432234155).

The spelling of 320311121132 in words is "three hundred twenty billion, three hundred eleven million, one hundred twenty-one thousand, one hundred thirty-two".