100031123322321 has 4 divisors (see below), whose sum is σ = 133374831096432. Its totient is φ = 66687415548212.

The previous prime is 100031123322311. The next prime is 100031123322353. The reversal of 100031123322321 is 123223321130001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100031123322321 - 2⁶ = 100031123322257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100031123322291 and 100031123322300.

It is not an unprimeable number, because it can be changed into a prime (100031123322311) 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, 16671853887051 + ... + 16671853887056.

It is an arithmetic number, because the mean of its divisors is an integer number (33343707774108).

Almost surely, 2^{100031123322321} is an apocalyptic number.

It is an amenable number.

100031123322321 is a deficient number, since it is larger than the sum of its proper divisors (33343707774111).

100031123322321 is an equidigital number, since it uses as much as digits as its factorization.

100031123322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33343707774110.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 100031123322321 its reverse (123223321130001), we get a palindrome (223254444452322).

The spelling of 100031123322321 in words is "one hundred trillion, thirty-one billion, one hundred twenty-three million, three hundred twenty-two thousand, three hundred twenty-one".