100321330231 has 4 divisors (see below), whose sum is σ = 101965942264. Its totient is φ = 98676718200.

The previous prime is 100321330183. The next prime is 100321330237. The reversal of 100321330231 is 132033123001.

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

It is a cyclic number.

It is not a de Polignac number, because 100321330231 - 2¹⁷ = 100321199159 is a prime.

It is a super-2 number, since 2×100321330231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100321330199 and 100321330208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321330237) 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, 822305925 + ... + 822306046.

It is an arithmetic number, because the mean of its divisors is an integer number (25491485566).

Almost surely, 2^100321330231 is an apocalyptic number.

100321330231 is a deficient number, since it is larger than the sum of its proper divisors (1644612033).

100321330231 is an equidigital number, since it uses as much as digits as its factorization.

100321330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644612032.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100321330231 its reverse (132033123001), we get a palindrome (232354453232).

The spelling of 100321330231 in words is "one hundred billion, three hundred twenty-one million, three hundred thirty thousand, two hundred thirty-one".