1303442999 has 2 divisors, whose sum is σ = 1303443000. Its totient is φ = 1303442998.

The previous prime is 1303442983. The next prime is 1303443079. The reversal of 1303442999 is 9992443031.

It is a weak prime.

It is an emirp because it is prime and its reverse (9992443031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303442999 - 2⁴ = 1303442983 is a prime.

It is a super-2 number, since 2×1303442999² = 3397927303284228002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303442599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651721499 + 651721500.

It is an arithmetic number, because the mean of its divisors is an integer number (651721500).

Almost surely, 2^1303442999 is an apocalyptic number.

1303442999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303442999 is an equidigital number, since it uses as much as digits as its factorization.

1303442999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1303442999 is about 36103.2269887333. The cubic root of 1303442999 is about 1092.3555374547.

The spelling of 1303442999 in words is "one billion, three hundred three million, four hundred forty-two thousand, nine hundred ninety-nine".