13113355103 has 4 divisors (see below), whose sum is σ = 13114893288. Its totient is φ = 13111816920.

The previous prime is 13113355067. The next prime is 13113355117. The reversal of 13113355103 is 30155331131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13113355103 - 2¹² = 13113351007 is a prime.

It is a super-2 number, since 2×13113355103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113355303) 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, 756233 + ... + 773378.

It is an arithmetic number, because the mean of its divisors is an integer number (3278723322).

Almost surely, 2^13113355103 is an apocalyptic number.

13113355103 is a deficient number, since it is larger than the sum of its proper divisors (1538185).

13113355103 is an equidigital number, since it uses as much as digits as its factorization.

13113355103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538184.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 13113355103 its reverse (30155331131), we get a palindrome (43268686234).

The spelling of 13113355103 in words is "thirteen billion, one hundred thirteen million, three hundred fifty-five thousand, one hundred three".