1302311221013 has 12 divisors (see below), whose sum is σ = 1432636670304. Its totient is φ = 1182951112200.

The previous prime is 1302311221009. The next prime is 1302311221067. The reversal of 1302311221013 is 3101221132031.

It is a happy number.

It is not a de Polignac number, because 1302311221013 - 2² = 1302311221009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4252223 + ... + 4548188.

It is an arithmetic number, because the mean of its divisors is an integer number (119386389192).

Almost surely, 2^{1302311221013} is an apocalyptic number.

It is an amenable number.

1302311221013 is a deficient number, since it is larger than the sum of its proper divisors (130325449291).

1302311221013 is a wasteful number, since it uses less digits than its factorization.

1302311221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801656 (or 8801645 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302311221013 its reverse (3101221132031), we get a palindrome (4403532353044).

The spelling of 1302311221013 in words is "one trillion, three hundred two billion, three hundred eleven million, two hundred twenty-one thousand, thirteen".