30103120132321 has 4 divisors (see below), whose sum is σ = 30596613905044. Its totient is φ = 29609626359600.

The previous prime is 30103120132303. The next prime is 30103120132387. The reversal of 30103120132321 is 12323102130103.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11712411075600 + 18390709056721 = 3422340^2 + 4288439^2 .

It is a cyclic number.

It is not a de Polignac number, because 30103120132321 - 2³³ = 30094530197729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103120132292 and 30103120132301.

It is not an unprimeable number, because it can be changed into a prime (30103120132621) 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, 246746886270 + ... + 246746886391.

It is an arithmetic number, because the mean of its divisors is an integer number (7649153476261).

Almost surely, 2^{30103120132321} is an apocalyptic number.

It is an amenable number.

30103120132321 is a deficient number, since it is larger than the sum of its proper divisors (493493772723).

30103120132321 is an equidigital number, since it uses as much as digits as its factorization.

30103120132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493493772722.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30103120132321 its reverse (12323102130103), we get a palindrome (42426222262424).

The spelling of 30103120132321 in words is "thirty trillion, one hundred three billion, one hundred twenty million, one hundred thirty-two thousand, three hundred twenty-one".