1311023333332 has 6 divisors (see below), whose sum is σ = 2294290833338. Its totient is φ = 655511666664.

The previous prime is 1311023333173. The next prime is 1311023333357. The reversal of 1311023333332 is 2333333201131.

It can be written as a sum of positive squares in only one way, i.e., 1054059502276 + 256963831056 = 1026674^2 + 506916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1311023333332.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 163877916663 + ... + 163877916670.

Almost surely, 2^{1311023333332} is an apocalyptic number.

It is an amenable number.

1311023333332 is a deficient number, since it is larger than the sum of its proper divisors (983267500006).

1311023333332 is a wasteful number, since it uses less digits than its factorization.

1311023333332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327755833337 (or 327755833335 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 1311023333332 its reverse (2333333201131), we get a palindrome (3644356534463).

The spelling of 1311023333332 in words is "one trillion, three hundred eleven billion, twenty-three million, three hundred thirty-three thousand, three hundred thirty-two".