2311202133312 has 112 divisors (see below), whose sum is σ = 6170489779392. Its totient is φ = 763419811840.

The previous prime is 2311202133301. The next prime is 2311202133329. The reversal of 2311202133312 is 2133312021132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142773283 + ... + 142789469.

Almost surely, 2^{2311202133312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311202133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3085244889696).

2311202133312 is an abundant number, since it is smaller than the sum of its proper divisors (3859287646080).

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

2311202133312 is a wasteful number, since it uses less digits than its factorization.

2311202133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22896 (or 22886 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2311202133312 its reverse (2133312021132), we get a palindrome (4444514154444).

The spelling of 2311202133312 in words is "two trillion, three hundred eleven billion, two hundred two million, one hundred thirty-three thousand, three hundred twelve".