100132001320 has 32 divisors (see below), whose sum is σ = 242627542920. Its totient is φ = 36971815680.

The previous prime is 100132001317. The next prime is 100132001353. The reversal of 100132001320 is 23100231001.

It can be written as a sum of positive squares in 4 ways, for example, as 78589394244 + 21542607076 = 280338^2 + 146774^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 100132001320.

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, 96280251 + ... + 96281290.

Almost surely, 2^100132001320 is an apocalyptic number.

100132001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100132001320 is an abundant number, since it is smaller than the sum of its proper divisors (142495541600).

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

100132001320 is a wasteful number, since it uses less digits than its factorization.

100132001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192561565 (or 192561561 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100132001320 its reverse (23100231001), we get a palindrome (123232232321).

The spelling of 100132001320 in words is "one hundred billion, one hundred thirty-two million, one thousand, three hundred twenty".