103120313013 has 12 divisors (see below), whose sum is σ = 149025437548. Its totient is φ = 68712779520.

The previous prime is 103120313003. The next prime is 103120313017. The reversal of 103120313013 is 310313021301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71728623684 + 31391689329 = 267822^2 + 177177^2 .

It is not a de Polignac number, because 103120313013 - 2⁶ = 103120312949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103120313017) 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, 2822158 + ... + 2858463.

Almost surely, 2^103120313013 is an apocalyptic number.

It is an amenable number.

103120313013 is a deficient number, since it is larger than the sum of its proper divisors (45905124535).

103120313013 is a wasteful number, since it uses less digits than its factorization.

103120313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682644 (or 5682641 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103120313013 its reverse (310313021301), we get a palindrome (413433334314).

The spelling of 103120313013 in words is "one hundred three billion, one hundred twenty million, three hundred thirteen thousand, thirteen".