1303312919 has 2 divisors, whose sum is σ = 1303312920. Its totient is φ = 1303312918.

The previous prime is 1303312897. The next prime is 1303312951. The reversal of 1303312919 is 9192133031.

It is an a-pointer prime, because the next prime (1303312951) can be obtained adding 1303312919 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (9192133031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303312919 - 2²⁴ = 1286535703 is a prime.

It is a super-2 number, since 2×1303312919² = 3397249129664601122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303312979) 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 as a sum of consecutive naturals, namely, 651656459 + 651656460.

It is an arithmetic number, because the mean of its divisors is an integer number (651656460).

Almost surely, 2^1303312919 is an apocalyptic number.

1303312919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303312919 is an equidigital number, since it uses as much as digits as its factorization.

1303312919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 1303312919 is about 36101.4254427716. The cubic root of 1303312919 is about 1092.3191982271.

It can be divided in two parts, 13033 and 12919, that added together give a palindrome (25952).

The spelling of 1303312919 in words is "one billion, three hundred three million, three hundred twelve thousand, nine hundred nineteen".