1320342003 has 24 divisors (see below), whose sum is σ = 1961172096. Its totient is φ = 855360000.

The previous prime is 1320341969. The next prime is 1320342017. The reversal of 1320342003 is 3002430231.

1320342003 is a `hidden beast` number, since 1 + 320 + 342 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 1320342003 - 2¹⁰ = 1320340979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320342083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328003 + ... + 332003.

It is an arithmetic number, because the mean of its divisors is an integer number (81715504).

Almost surely, 2^1320342003 is an apocalyptic number.

1320342003 is a deficient number, since it is larger than the sum of its proper divisors (640830093).

1320342003 is a wasteful number, since it uses less digits than its factorization.

1320342003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035 (or 5032 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1320342003 is about 36336.5106057255. The cubic root of 1320342003 is about 1097.0560407044.

Adding to 1320342003 its reverse (3002430231), we get a palindrome (4322772234).

The spelling of 1320342003 in words is "one billion, three hundred twenty million, three hundred forty-two thousand, three".