1320301403 has 2 divisors, whose sum is σ = 1320301404. Its totient is φ = 1320301402.

The previous prime is 1320301349. The next prime is 1320301421. The reversal of 1320301403 is 3041030231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320301403 - 2²⁰ = 1319252827 is a prime.

It is a super-3 number, since 3×1320301403³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1320303403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660150701 + 660150702.

It is an arithmetic number, because the mean of its divisors is an integer number (660150702).

Almost surely, 2^1320301403 is an apocalyptic number.

1320301403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320301403 is an equidigital number, since it uses as much as digits as its factorization.

1320301403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1320301403 is about 36335.9519346886. The cubic root of 1320301403 is about 1097.0447959078.

Adding to 1320301403 its reverse (3041030231), we get a palindrome (4361331634).

The spelling of 1320301403 in words is "one billion, three hundred twenty million, three hundred one thousand, four hundred three".