1311022112322 has 32 divisors (see below), whose sum is σ = 2823796704960. Its totient is φ = 403383309120.

The previous prime is 1311022112303. The next prime is 1311022112357. The reversal of 1311022112322 is 2232112201131.

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, 4589004 + ... + 4866312.

It is an arithmetic number, because the mean of its divisors is an integer number (88243647030).

Almost surely, 2^{1311022112322} is an apocalyptic number.

1311022112322 is an abundant number, since it is smaller than the sum of its proper divisors (1512774592638).

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

1311022112322 is a wasteful number, since it uses less digits than its factorization.

1311022112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337938.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1311022112322 its reverse (2232112201131), we get a palindrome (3543134313453).

The spelling of 1311022112322 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred twelve thousand, three hundred twenty-two".