1312830140944 has 135 divisors (see below), whose sum is σ = 2989648242063. Its totient is φ = 556852968000.

The previous prime is 1312830140893. The next prime is 1312830141041. The reversal of 1312830140944 is 4490410382131.

The square root of 1312830140944 is 1145788.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1312830140944² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312830140897 and 1312830140906.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4844391529 + ... + 4844391799.

Almost surely, 2^{1312830140944} is an apocalyptic number.

1312830140944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312830140944 is the 1145788-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312830140944

1312830140944 is an abundant number, since it is smaller than the sum of its proper divisors (1676818101119).

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

1312830140944 is an frugal number, since it uses more digits than its factorization.

1312830140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1312830140944 in words is "one trillion, three hundred twelve billion, eight hundred thirty million, one hundred forty thousand, nine hundred forty-four".