100312232321 has 16 divisors (see below), whose sum is σ = 115032597120. Its totient is φ = 85689640320.

The previous prime is 100312232303. The next prime is 100312232341. The reversal of 100312232321 is 123232213001.

It is a cyclic number.

It is not a de Polignac number, because 100312232321 - 2⁶ = 100312232257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100312232293 and 100312232302.

It is not an unprimeable number, because it can be changed into a prime (100312232341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190845 + ... + 5210133.

It is an arithmetic number, because the mean of its divisors is an integer number (7189537320).

Almost surely, 2^100312232321 is an apocalyptic number.

It is an amenable number.

100312232321 is a deficient number, since it is larger than the sum of its proper divisors (14720364799).

100312232321 is a wasteful number, since it uses less digits than its factorization.

100312232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21784.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100312232321 its reverse (123232213001), we get a palindrome (223544445322).

The spelling of 100312232321 in words is "one hundred billion, three hundred twelve million, two hundred thirty-two thousand, three hundred twenty-one".