1013200305 has 16 divisors (see below), whose sum is σ = 1745822400. Its totient is φ = 498806208.

The previous prime is 1013200303. The next prime is 1013200313. The reversal of 1013200305 is 5030023101.

It is a happy number.

1013200305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1013200305 - 2¹ = 1013200303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1013200303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597755 + ... + 2598144.

It is an arithmetic number, because the mean of its divisors is an integer number (109113900).

Almost surely, 2^1013200305 is an apocalyptic number.

1013200305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013200305 is a deficient number, since it is larger than the sum of its proper divisors (732622095).

1013200305 is a wasteful number, since it uses less digits than its factorization.

1013200305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195920.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1013200305 is about 31830.8074826888. The cubic root of 1013200305 is about 1004.3808815177.

Adding to 1013200305 its reverse (5030023101), we get a palindrome (6043223406).

The spelling of 1013200305 in words is "one billion, thirteen million, two hundred thousand, three hundred five".