1303161215 has 4 divisors (see below), whose sum is σ = 1563793464. Its totient is φ = 1042528968.

The previous prime is 1303161203. The next prime is 1303161217. The reversal of 1303161215 is 5121613031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1303161215 - 2¹⁴ = 1303144831 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 (1303161217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130316117 + ... + 130316126.

It is an arithmetic number, because the mean of its divisors is an integer number (390948366).

Almost surely, 2^1303161215 is an apocalyptic number.

1303161215 is a deficient number, since it is larger than the sum of its proper divisors (260632249).

1303161215 is an equidigital number, since it uses as much as digits as its factorization.

1303161215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260632248.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1303161215 is about 36099.3243011556. The cubic root of 1303161215 is about 1092.2768150513.

Adding to 1303161215 its reverse (5121613031), we get a palindrome (6424774246).

The spelling of 1303161215 in words is "one billion, three hundred three million, one hundred sixty-one thousand, two hundred fifteen".