1311213423132 has 192 divisors, whose sum is σ = 3509708590080. Its totient is φ = 423185817600.

The previous prime is 1311213423073. The next prime is 1311213423151. The reversal of 1311213423132 is 2313243121131.

1311213423132 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 2 + 1 + 342 + 313 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1311213423096 and 1311213423105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97430548 + ... + 97444004.

It is an arithmetic number, because the mean of its divisors is an integer number (18279732240).

Almost surely, 2^{1311213423132} is an apocalyptic number.

1311213423132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1311213423132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754854295040).

1311213423132 is an abundant number, since it is smaller than the sum of its proper divisors (2198495166948).

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

1311213423132 is a wasteful number, since it uses less digits than its factorization.

1311213423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13769 (or 13761 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1311213423132 its reverse (2313243121131), we get a palindrome (3624456544263).

The spelling of 1311213423132 in words is "one trillion, three hundred eleven billion, two hundred thirteen million, four hundred twenty-three thousand, one hundred thirty-two".