1311321102302 has 16 divisors (see below), whose sum is σ = 1972809466800. Its totient is φ = 653719066560.

The previous prime is 1311321102271. The next prime is 1311321102331. The reversal of 1311321102302 is 2032011231131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078402 + ... + 2634842.

It is an arithmetic number, because the mean of its divisors is an integer number (123300591675).

Almost surely, 2^{1311321102302} is an apocalyptic number.

1311321102302 is a deficient number, since it is larger than the sum of its proper divisors (661488364498).

1311321102302 is a wasteful number, since it uses less digits than its factorization.

1311321102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559931.

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

Adding to 1311321102302 its reverse (2032011231131), we get a palindrome (3343332333433).

The spelling of 1311321102302 in words is "one trillion, three hundred eleven billion, three hundred twenty-one million, one hundred two thousand, three hundred two".