1303240011 has 32 divisors (see below), whose sum is σ = 1816704000. Its totient is φ = 830269440.

The previous prime is 1303239989. The next prime is 1303240049. The reversal of 1303240011 is 1100423031.

It is not a de Polignac number, because 1303240011 - 2⁵ = 1303239979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303240811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2902315 + ... + 2902763.

It is an arithmetic number, because the mean of its divisors is an integer number (56772000).

Almost surely, 2^1303240011 is an apocalyptic number.

1303240011 is a deficient number, since it is larger than the sum of its proper divisors (513463989).

1303240011 is a wasteful number, since it uses less digits than its factorization.

1303240011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1303240011 is about 36100.4156624269. The cubic root of 1303240011 is about 1092.2988295466.

Adding to 1303240011 its reverse (1100423031), we get a palindrome (2403663042).

The spelling of 1303240011 in words is "one billion, three hundred three million, two hundred forty thousand, eleven".