1313220332322 has 64 divisors (see below), whose sum is σ = 2936263680000. Its totient is φ = 435047253264.

The previous prime is 1313220332287. The next prime is 1313220332351. The reversal of 1313220332322 is 2232330223131.

1313220332322 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 2 + 2 + 0 + 332 + 322 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7122129 + ... + 7304187.

It is an arithmetic number, because the mean of its divisors is an integer number (45879120000).

Almost surely, 2^{1313220332322} is an apocalyptic number.

1313220332322 is an abundant number, since it is smaller than the sum of its proper divisors (1623043347678).

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

1313220332322 is a wasteful number, since it uses less digits than its factorization.

1313220332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182892 (or 182886 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1313220332322 its reverse (2232330223131), we get a palindrome (3545550555453).

The spelling of 1313220332322 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".