1305030103 has 8 divisors (see below), whose sum is σ = 1411300800. Its totient is φ = 1199599968.

The previous prime is 1305030053. The next prime is 1305030113. The reversal of 1305030103 is 3010305031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1305030103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305030113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206908 + ... + 213121.

It is an arithmetic number, because the mean of its divisors is an integer number (176412600).

Almost surely, 2^1305030103 is an apocalyptic number.

1305030103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1305030103 is a deficient number, since it is larger than the sum of its proper divisors (106270697).

1305030103 is a wasteful number, since it uses less digits than its factorization.

1305030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420281.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 1305030103 is about 36125.2003869875. The cubic root of 1305030103 is about 1092.7987172132.

Adding to 1305030103 its reverse (3010305031), we get a palindrome (4315335134).

The spelling of 1305030103 in words is "one billion, three hundred five million, thirty thousand, one hundred three".