1311122230302 has 32 divisors (see below), whose sum is σ = 2678220864000. Its totient is φ = 427712620608.

The previous prime is 1311122230259. The next prime is 1311122230331. The reversal of 1311122230302 is 2030322211131.

It is a super-2 number, since 2×1311122230302² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4159449 + ... + 4463547.

It is an arithmetic number, because the mean of its divisors is an integer number (83694402000).

Almost surely, 2^{1311122230302} is an apocalyptic number.

1311122230302 is an abundant number, since it is smaller than the sum of its proper divisors (1367098633698).

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

1311122230302 is a wasteful number, since it uses less digits than its factorization.

1311122230302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319440.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1311122230302 its reverse (2030322211131), we get a palindrome (3341444441433).

The spelling of 1311122230302 in words is "one trillion, three hundred eleven billion, one hundred twenty-two million, two hundred thirty thousand, three hundred two".