100313243321 has 4 divisors (see below), whose sum is σ = 101200971252. Its totient is φ = 99425515392.

The previous prime is 100313243291. The next prime is 100313243341. The reversal of 100313243321 is 123342313001.

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 32108697721 + 68204545600 = 179189^2 + 261160^2 .

It is a cyclic number.

It is not a de Polignac number, because 100313243321 - 2³⁰ = 99239501497 is a prime.

It is a super-2 number, since 2×100313243321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100313243341) 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, 443863796 + ... + 443864021.

It is an arithmetic number, because the mean of its divisors is an integer number (25300242813).

Almost surely, 2^100313243321 is an apocalyptic number.

It is an amenable number.

100313243321 is a deficient number, since it is larger than the sum of its proper divisors (887727931).

100313243321 is an equidigital number, since it uses as much as digits as its factorization.

100313243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887727930.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 100313243321 its reverse (123342313001), we get a palindrome (223655556322).

The spelling of 100313243321 in words is "one hundred billion, three hundred thirteen million, two hundred forty-three thousand, three hundred twenty-one".