1311323100222 has 64 divisors (see below), whose sum is σ = 2693374675200. Its totient is φ = 425470924800.

The previous prime is 1311323100161. The next prime is 1311323100223. The reversal of 1311323100222 is 2220013231131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311323100223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 61765573 + ... + 61786799.

It is an arithmetic number, because the mean of its divisors is an integer number (42083979300).

Almost surely, 2^{1311323100222} is an apocalyptic number.

1311323100222 is an abundant number, since it is smaller than the sum of its proper divisors (1382051574978).

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

1311323100222 is a wasteful number, since it uses less digits than its factorization.

1311323100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23001.

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

Adding to 1311323100222 its reverse (2220013231131), we get a palindrome (3531336331353).

The spelling of 1311323100222 in words is "one trillion, three hundred eleven billion, three hundred twenty-three million, one hundred thousand, two hundred twenty-two".