1311420320202 has 8 divisors (see below), whose sum is σ = 2622840640416. Its totient is φ = 437140106732.

The previous prime is 1311420320201. The next prime is 1311420320297. The reversal of 1311420320202 is 2020230241131.

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

1311420320202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1311420320201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109285026678 + ... + 109285026689.

It is an arithmetic number, because the mean of its divisors is an integer number (327855080052).

Almost surely, 2^{1311420320202} is an apocalyptic number.

1311420320202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311420320202 is a wasteful number, since it uses less digits than its factorization.

1311420320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218570053372.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1311420320202 its reverse (2020230241131), we get a palindrome (3331650561333).

The spelling of 1311420320202 in words is "one trillion, three hundred eleven billion, four hundred twenty million, three hundred twenty thousand, two hundred two".