1311103043332 has 12 divisors (see below), whose sum is σ = 2295271103580. Its totient is φ = 655311299456.

The previous prime is 1311103043323. The next prime is 1311103043357. The reversal of 1311103043332 is 2333403011131.

It can be written as a sum of positive squares in 2 ways, for example, as 816030382336 + 495072660996 = 903344^2 + 703614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311103043297 and 1311103043306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60043273 + ... + 60065104.

It is an arithmetic number, because the mean of its divisors is an integer number (191272591965).

Almost surely, 2^{1311103043332} is an apocalyptic number.

It is an amenable number.

1311103043332 is a deficient number, since it is larger than the sum of its proper divisors (984168060248).

1311103043332 is a wasteful number, since it uses less digits than its factorization.

1311103043332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120111110 (or 120111108 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1311103043332 its reverse (2333403011131), we get a palindrome (3644506054463).

The spelling of 1311103043332 in words is "one trillion, three hundred eleven billion, one hundred three million, forty-three thousand, three hundred thirty-two".