1311022310232 has 128 divisors (see below), whose sum is σ = 3323342131200. Its totient is φ = 430942858368.

The previous prime is 1311022310219. The next prime is 1311022310249. The reversal of 1311022310232 is 2320132201131.

It is a junction number, because it is equal to n+sod(n) for n = 1311022310199 and 1311022310208.

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 31 ways as a sum of consecutive naturals, for example, 918725503 + ... + 918726929.

It is an arithmetic number, because the mean of its divisors is an integer number (25963610400).

Almost surely, 2^{1311022310232} is an apocalyptic number.

1311022310232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311022310232 is an abundant number, since it is smaller than the sum of its proper divisors (2012319820968).

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

1311022310232 is a wasteful number, since it uses less digits than its factorization.

1311022310232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2841 counting only the distinct ones).

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

Adding to 1311022310232 its reverse (2320132201131), we get a palindrome (3631154511363).

The spelling of 1311022310232 in words is "one trillion, three hundred eleven billion, twenty-two million, three hundred ten thousand, two hundred thirty-two".