103120332321 has 4 divisors (see below), whose sum is σ = 137493776432. Its totient is φ = 68746888212.

The previous prime is 103120332319. The next prime is 103120332421. The reversal of 103120332321 is 123233021301.

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 103120332321 - 2¹ = 103120332319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103120332421) 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, 17186722051 + ... + 17186722056.

It is an arithmetic number, because the mean of its divisors is an integer number (34373444108).

Almost surely, 2^103120332321 is an apocalyptic number.

It is an amenable number.

103120332321 is a deficient number, since it is larger than the sum of its proper divisors (34373444111).

103120332321 is an equidigital number, since it uses as much as digits as its factorization.

103120332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34373444110.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103120332321 its reverse (123233021301), we get a palindrome (226353353622).

The spelling of 103120332321 in words is "one hundred three billion, one hundred twenty million, three hundred thirty-two thousand, three hundred twenty-one".