100031332321 has 4 divisors (see below), whose sum is σ = 100035846144. Its totient is φ = 100026818500.

The previous prime is 100031332319. The next prime is 100031332343. The reversal of 100031332321 is 123233130001.

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 100031332321 - 2¹ = 100031332319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100031342321) 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, 2223505 + ... + 2268046.

It is an arithmetic number, because the mean of its divisors is an integer number (25008961536).

Almost surely, 2^100031332321 is an apocalyptic number.

It is an amenable number.

100031332321 is a deficient number, since it is larger than the sum of its proper divisors (4513823).

100031332321 is an equidigital number, since it uses as much as digits as its factorization.

100031332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513822.

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

Adding to 100031332321 its reverse (123233130001), we get a palindrome (223264462322).

The spelling of 100031332321 in words is "one hundred billion, thirty-one million, three hundred thirty-two thousand, three hundred twenty-one".