1303231435011 has 24 divisors (see below), whose sum is σ = 2054186521920. Its totient is φ = 789602727600.

The previous prime is 1303231434991. The next prime is 1303231435039. The reversal of 1303231435011 is 1105341323031.

1303231435011 is a `hidden beast` number, since 1 + 303 + 2 + 3 + 1 + 4 + 350 + 1 + 1 = 666.

It is not a de Polignac number, because 1303231435011 - 2³⁸ = 1028353528067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303231435081) 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, 1618801 + ... + 2286258.

It is an arithmetic number, because the mean of its divisors is an integer number (85591105080).

Almost surely, 2^{1303231435011} is an apocalyptic number.

1303231435011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1303231435011 is a deficient number, since it is larger than the sum of its proper divisors (750955086909).

1303231435011 is a wasteful number, since it uses less digits than its factorization.

1303231435011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908447 (or 3908444 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 1303231435011 its reverse (1105341323031), we get a palindrome (2408572758042).

The spelling of 1303231435011 in words is "one trillion, three hundred three billion, two hundred thirty-one million, four hundred thirty-five thousand, eleven".