103303312121013 has 16 divisors (see below), whose sum is σ = 137771657094720. Its totient is φ = 68851922477184.

The previous prime is 103303312120979. The next prime is 103303312121017. The reversal of 103303312121013 is 310121213303301.

It is not a de Polignac number, because 103303312121013 - 2⁶ = 103303312120949 is a prime.

It is a super-2 number, since 2×103303312121013² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103303312121017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287470033 + ... + 287829161.

It is an arithmetic number, because the mean of its divisors is an integer number (8610728568420).

Almost surely, 2^{103303312121013} is an apocalyptic number.

It is an amenable number.

103303312121013 is a deficient number, since it is larger than the sum of its proper divisors (34468344973707).

103303312121013 is a wasteful number, since it uses less digits than its factorization.

103303312121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382468.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 103303312121013 its reverse (310121213303301), we get a palindrome (413424525424314).

The spelling of 103303312121013 in words is "one hundred three trillion, three hundred three billion, three hundred twelve million, one hundred twenty-one thousand, thirteen".