1313003220103 has 64 divisors (see below), whose sum is σ = 1476602265600. Its totient is φ = 1162191421440.

The previous prime is 1313003220043. The next prime is 1313003220131. The reversal of 1313003220103 is 3010223003131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313003220103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313003220803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2275568551 + ... + 2275569127.

It is an arithmetic number, because the mean of its divisors is an integer number (23071910400).

Almost surely, 2^{1313003220103} is an apocalyptic number.

1313003220103 is a deficient number, since it is larger than the sum of its proper divisors (163599045497).

1313003220103 is a wasteful number, since it uses less digits than its factorization.

1313003220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1313003220103 its reverse (3010223003131), we get a palindrome (4323226223234).

The spelling of 1313003220103 in words is "one trillion, three hundred thirteen billion, three million, two hundred twenty thousand, one hundred three".