320120131100 has 108 divisors (see below), whose sum is σ = 881536156200. Its totient is φ = 99777686400.

The previous prime is 320120131081. The next prime is 320120131117. The reversal of 320120131100 is 1131021023.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2915675 + ... + 3023474.

Almost surely, 2^320120131100 is an apocalyptic number.

It is an amenable number.

320120131100 is an abundant number, since it is smaller than the sum of its proper divisors (561416025100).

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

320120131100 is a wasteful number, since it uses less digits than its factorization.

320120131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939188 (or 5939174 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 320120131100 its reverse (1131021023), we get a palindrome (321251152123).

The spelling of 320120131100 in words is "three hundred twenty billion, one hundred twenty million, one hundred thirty-one thousand, one hundred".