103303311121013 has 12 divisors (see below), whose sum is σ = 106340889288708. Its totient is φ = 100279195223040.

The previous prime is 103303311121009. The next prime is 103303311121039. The reversal of 103303311121013 is 310121113303301.

It can be written as a sum of positive squares in 6 ways, for example, as 23186902217284 + 80116408903729 = 4815278^2 + 8950777^2 .

It is not a de Polignac number, because 103303311121013 - 2² = 103303311121009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103303311121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303311123013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508628 + ... + 14382813.

It is an arithmetic number, because the mean of its divisors is an integer number (8861740774059).

Almost surely, 2^{103303311121013} is an apocalyptic number.

It is an amenable number.

103303311121013 is a deficient number, since it is larger than the sum of its proper divisors (3037578167695).

103303311121013 is an frugal number, since it uses more digits than its factorization.

103303311121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14892344 (or 14891911 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 103303311121013 its reverse (310121113303301), we get a palindrome (413424424424314).

The spelling of 103303311121013 in words is "one hundred three trillion, three hundred three billion, three hundred eleven million, one hundred twenty-one thousand, thirteen".