102330031321 has 4 divisors (see below), whose sum is σ = 116948607232. Its totient is φ = 87711455412.

The previous prime is 102330031313. The next prime is 102330031339. The reversal of 102330031321 is 123130033201.

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 not a de Polignac number, because 102330031321 - 2³ = 102330031313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102331031321) 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, 7309287945 + ... + 7309287958.

It is an arithmetic number, because the mean of its divisors is an integer number (29237151808).

Almost surely, 2^102330031321 is an apocalyptic number.

It is an amenable number.

102330031321 is a deficient number, since it is larger than the sum of its proper divisors (14618575911).

102330031321 is an equidigital number, since it uses as much as digits as its factorization.

102330031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618575910.

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

Adding to 102330031321 its reverse (123130033201), we get a palindrome (225460064522).

The spelling of 102330031321 in words is "one hundred two billion, three hundred thirty million, thirty-one thousand, three hundred twenty-one".