100320231001 has 4 divisors (see below), whose sum is σ = 100348629732. Its totient is φ = 100291832272.

The previous prime is 100320230987. The next prime is 100320231073. The reversal of 100320231001 is 100132023001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83497881600 + 16822349401 = 288960^2 + 129701^2 .

It is a cyclic number.

It is not a de Polignac number, because 100320231001 - 2¹⁹ = 100319706713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100320231601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14194066 + ... + 14201131.

It is an arithmetic number, because the mean of its divisors is an integer number (25087157433).

Almost surely, 2^100320231001 is an apocalyptic number.

It is an amenable number.

100320231001 is a deficient number, since it is larger than the sum of its proper divisors (28398731).

100320231001 is an equidigital number, since it uses as much as digits as its factorization.

100320231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28398730.

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

Adding to 100320231001 its reverse (100132023001), we get a palindrome (200452254002).

It can be divided in two parts, 1003 and 20231001, that added together give a square (20232004 = 4498²).

The spelling of 100320231001 in words is "one hundred billion, three hundred twenty million, two hundred thirty-one thousand, one".