103117013 has 4 divisors (see below), whose sum is σ = 105311040. Its totient is φ = 100922988.

The previous prime is 103116973. The next prime is 103117033. The reversal of 103117013 is 310711301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310711301 = 23 ⋅13509187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103117013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103116982 and 103117000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103117033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096943 + ... + 1097036.

It is an arithmetic number, because the mean of its divisors is an integer number (26327760).

Almost surely, 2^103117013 is an apocalyptic number.

It is an amenable number.

103117013 is a deficient number, since it is larger than the sum of its proper divisors (2194027).

103117013 is an equidigital number, since it uses as much as digits as its factorization.

103117013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194026.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 103117013 is about 10154.6547454849. The cubic root of 103117013 is about 468.9322569962.

Adding to 103117013 its reverse (310711301), we get a palindrome (413828314).

The spelling of 103117013 in words is "one hundred three million, one hundred seventeen thousand, thirteen".