100540325321 has 4 divisors (see below), whose sum is σ = 100541587332. Its totient is φ = 100539063312.

The previous prime is 100540325309. The next prime is 100540325341. The reversal of 100540325321 is 123523045001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123523045001 = 197 ⋅627020533.

It can be written as a sum of positive squares in 2 ways, for example, as 27890670025 + 72649655296 = 167005^2 + 269536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100540325321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100540325341) 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, 502826 + ... + 673731.

It is an arithmetic number, because the mean of its divisors is an integer number (25135396833).

Almost surely, 2^100540325321 is an apocalyptic number.

It is an amenable number.

100540325321 is a deficient number, since it is larger than the sum of its proper divisors (1262011).

100540325321 is an equidigital number, since it uses as much as digits as its factorization.

100540325321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262010.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 100540325321 in words is "one hundred billion, five hundred forty million, three hundred twenty-five thousand, three hundred twenty-one".