103313113220321 has 4 divisors (see below), whose sum is σ = 103313319688644. Its totient is φ = 103312906752000.

The previous prime is 103313113220263. The next prime is 103313113220347. The reversal of 103313113220321 is 123022311313301.

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 27266620845025 + 76046492375296 = 5221745^2 + 8720464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103313113220321 is a prime.

It is a super-3 number, since 3×103313113220321³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103313113220521) 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, 102481760 + ... + 103484961.

It is an arithmetic number, because the mean of its divisors is an integer number (25828329922161).

Almost surely, 2^{103313113220321} is an apocalyptic number.

It is an amenable number.

103313113220321 is a deficient number, since it is larger than the sum of its proper divisors (206468323).

103313113220321 is an equidigital number, since it uses as much as digits as its factorization.

103313113220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206468322.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 103313113220321 its reverse (123022311313301), we get a palindrome (226335424533622).

The spelling of 103313113220321 in words is "one hundred three trillion, three hundred thirteen billion, one hundred thirteen million, two hundred twenty thousand, three hundred twenty-one".