1313430561556 has 48 divisors (see below), whose sum is σ = 2445996946176. Its totient is φ = 614972196864.

The previous prime is 1313430561533. The next prime is 1313430561563. The reversal of 1313430561556 is 6551650343131.

It is a happy number.

It is a super-2 number, since 2×1313430561556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10745175 + ... + 10866721.

It is an arithmetic number, because the mean of its divisors is an integer number (50958269712).

Almost surely, 2^{1313430561556} is an apocalyptic number.

It is an amenable number.

1313430561556 is a deficient number, since it is larger than the sum of its proper divisors (1132566384620).

1313430561556 is a wasteful number, since it uses less digits than its factorization.

1313430561556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122368 (or 122366 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 1313430561556 in words is "one trillion, three hundred thirteen billion, four hundred thirty million, five hundred sixty-one thousand, five hundred fifty-six".