1311423322232 has 8 divisors (see below), whose sum is σ = 2458918729200. Its totient is φ = 655711661112.

The previous prime is 1311423322211. The next prime is 1311423322241. The reversal of 1311423322232 is 2322233241131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1311423322232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311423322195 and 1311423322204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81963957632 + ... + 81963957647.

It is an arithmetic number, because the mean of its divisors is an integer number (307364841150).

Almost surely, 2^{1311423322232} is an apocalyptic number.

It is an amenable number.

1311423322232 is a deficient number, since it is larger than the sum of its proper divisors (1147495406968).

1311423322232 is a wasteful number, since it uses less digits than its factorization.

1311423322232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163927915285 (or 163927915281 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 1311423322232 its reverse (2322233241131), we get a palindrome (3633656563363).

The spelling of 1311423322232 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty-two".