1311231332332 has 24 divisors (see below), whose sum is σ = 2332337408352. Its totient is φ = 644849817600.

The previous prime is 1311231332269. The next prime is 1311231332347. The reversal of 1311231332332 is 2332331321131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311231332332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14201388 + ... + 14293420.

It is an arithmetic number, because the mean of its divisors is an integer number (97180725348).

Almost surely, 2^{1311231332332} is an apocalyptic number.

It is an amenable number.

1311231332332 is a deficient number, since it is larger than the sum of its proper divisors (1021106076020).

1311231332332 is a wasteful number, since it uses less digits than its factorization.

1311231332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150489 (or 150487 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

Adding to 1311231332332 its reverse (2332331321131), we get a palindrome (3643562653463).

The spelling of 1311231332332 in words is "one trillion, three hundred eleven billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred thirty-two".