1306342003 has 4 divisors (see below), whose sum is σ = 1307078920. Its totient is φ = 1305605088.

The previous prime is 1306341989. The next prime is 1306342007. The reversal of 1306342003 is 3002436031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1306342003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306342007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365793 + ... + 369346.

It is an arithmetic number, because the mean of its divisors is an integer number (326769730).

Almost surely, 2^1306342003 is an apocalyptic number.

1306342003 is a deficient number, since it is larger than the sum of its proper divisors (736917).

1306342003 is an equidigital number, since it uses as much as digits as its factorization.

1306342003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736916.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1306342003 is about 36143.3535107079. The cubic root of 1306342003 is about 1093.1647783755.

Adding to 1306342003 its reverse (3002436031), we get a palindrome (4308778034).

The spelling of 1306342003 in words is "one billion, three hundred six million, three hundred forty-two thousand, three".