1302311022013 has 8 divisors (see below), whose sum is σ = 1315979256888. Its totient is φ = 1288680390144.

The previous prime is 1302311021933. The next prime is 1302311022041. The reversal of 1302311022013 is 3102201132031.

It can be written as a sum of positive squares in 4 ways, for example, as 12276196804 + 1290034825209 = 110798^2 + 1135797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302311022013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311026013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9331120 + ... + 9469657.

It is an arithmetic number, because the mean of its divisors is an integer number (164497407111).

Almost surely, 2^{1302311022013} is an apocalyptic number.

It is an amenable number.

1302311022013 is a deficient number, since it is larger than the sum of its proper divisors (13668234875).

1302311022013 is a wasteful number, since it uses less digits than its factorization.

1302311022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18801503.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1302311022013 its reverse (3102201132031), we get a palindrome (4404512154044).

The spelling of 1302311022013 in words is "one trillion, three hundred two billion, three hundred eleven million, twenty-two thousand, thirteen".