1311423324152 has 8 divisors (see below), whose sum is σ = 2458918732800. Its totient is φ = 655711662072.

The previous prime is 1311423324137. The next prime is 1311423324209. The reversal of 1311423324152 is 2514233241131.

It is a happy number.

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

It is a super-2 number, since 2×1311423324152² (a number of 25 digits) contains 22 as substring.

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, 81963957752 + ... + 81963957767.

It is an arithmetic number, because the mean of its divisors is an integer number (307364841600).

Almost surely, 2^{1311423324152} is an apocalyptic number.

It is an amenable number.

1311423324152 is a deficient number, since it is larger than the sum of its proper divisors (1147495408648).

1311423324152 is a wasteful number, since it uses less digits than its factorization.

1311423324152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163927915525 (or 163927915521 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 1311423324152 its reverse (2514233241131), we get a palindrome (3825656565283).

The spelling of 1311423324152 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, three hundred twenty-four thousand, one hundred fifty-two".