1303216365 has 64 divisors (see below), whose sum is σ = 2453068800. Its totient is φ = 583948800.

The previous prime is 1303216361. The next prime is 1303216373. The reversal of 1303216365 is 5636123031.

It is a happy number.

1303216365 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1303216365 - 2² = 1303216361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303216361) 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, 123466 + ... + 133604.

It is an arithmetic number, because the mean of its divisors is an integer number (38329200).

Almost surely, 2^1303216365 is an apocalyptic number.

1303216365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303216365 is a deficient number, since it is larger than the sum of its proper divisors (1149852435).

1303216365 is a wasteful number, since it uses less digits than its factorization.

1303216365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1303216365 is about 36100.0881577871. The cubic root of 1303216365 is about 1092.2922232797.

Adding to 1303216365 its reverse (5636123031), we get a palindrome (6939339396).

The spelling of 1303216365 in words is "one billion, three hundred three million, two hundred sixteen thousand, three hundred sixty-five".