1303321241403 has 8 divisors (see below), whose sum is σ = 1930846283600. Its totient is φ = 868880827584.

The previous prime is 1303321241399. The next prime is 1303321241419. The reversal of 1303321241403 is 3041421233031.

It is a happy number.

1303321241403 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 3 + 212 + 41 + 403 = 666.

It is not a de Polignac number, because 1303321241403 - 2² = 1303321241399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48271157089 = 1303321241403 / (1 + 3 + 0 + 3 + 3 + 2 + 1 + 2 + 4 + 1 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303321241423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24135578518 + ... + 24135578571.

It is an arithmetic number, because the mean of its divisors is an integer number (241355785450).

Almost surely, 2^{1303321241403} is an apocalyptic number.

1303321241403 is a deficient number, since it is larger than the sum of its proper divisors (627525042197).

1303321241403 is an equidigital number, since it uses as much as digits as its factorization.

1303321241403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48271157098 (or 48271157092 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1303321241403 its reverse (3041421233031), we get a palindrome (4344742474434).

The spelling of 1303321241403 in words is "one trillion, three hundred three billion, three hundred twenty-one million, two hundred forty-one thousand, four hundred three".