1313220103 has 4 divisors (see below), whose sum is σ = 1414237048. Its totient is φ = 1212203160.

The previous prime is 1313220089. The next prime is 1313220113. The reversal of 1313220103 is 3010223131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010223131 = 179 ⋅16816889.

It is a cyclic number.

It is not a de Polignac number, because 1313220103 - 2⁹ = 1313219591 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 (1313220113) 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, 50508453 + ... + 50508478.

It is an arithmetic number, because the mean of its divisors is an integer number (353559262).

Almost surely, 2^1313220103 is an apocalyptic number.

1313220103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313220103 is a deficient number, since it is larger than the sum of its proper divisors (101016945).

1313220103 is a wasteful number, since it uses less digits than its factorization.

1313220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101016944.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313220103 is about 36238.3788682662. The cubic root of 1313220103 is about 1095.0799835934.

Adding to 1313220103 its reverse (3010223131), we get a palindrome (4323443234).

The spelling of 1313220103 in words is "one billion, three hundred thirteen million, two hundred twenty thousand, one hundred three".