1311640332364 has 12 divisors (see below), whose sum is σ = 2295398961688. Its totient is φ = 655812057600.

The previous prime is 1311640332337. The next prime is 1311640332413. The reversal of 1311640332364 is 4632330461131.

It is a super-3 number, since 3×1311640332364³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655622 + ... + 2316109.

Almost surely, 2^{1311640332364} is an apocalyptic number.

It is an amenable number.

1311640332364 is a deficient number, since it is larger than the sum of its proper divisors (983758629324).

1311640332364 is a wasteful number, since it uses less digits than its factorization.

1311640332364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054296 (or 4054294 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 1311640332364 its reverse (4632330461131), we get a palindrome (5943970793495).

The spelling of 1311640332364 in words is "one trillion, three hundred eleven billion, six hundred forty million, three hundred thirty-two thousand, three hundred sixty-four".