103101013001321 has 4 divisors (see below), whose sum is σ = 103103606842500. Its totient is φ = 103098419160144.

The previous prime is 103101013001309. The next prime is 103101013001381. The reversal of 103101013001321 is 123100310101301.

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 93013274746921 + 10087738254400 = 9644339^2 + 3176120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103101013001321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103101013001321.

It is not an unprimeable number, because it can be changed into a prime (103101013001381) 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, 1296860966 + ... + 1296940463.

It is an arithmetic number, because the mean of its divisors is an integer number (25775901710625).

Almost surely, 2^{103101013001321} is an apocalyptic number.

It is an amenable number.

103101013001321 is a deficient number, since it is larger than the sum of its proper divisors (2593841179).

103101013001321 is an equidigital number, since it uses as much as digits as its factorization.

103101013001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593841178.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103101013001321 its reverse (123100310101301), we get a palindrome (226201323102622).

The spelling of 103101013001321 in words is "one hundred three trillion, one hundred one billion, thirteen million, one thousand, three hundred twenty-one".