1331033043968 has 88 divisors (see below), whose sum is σ = 2707846389192. Its totient is φ = 653841137664.

The previous prime is 1331033043931. The next prime is 1331033043971. The reversal of 1331033043968 is 8693403301331.

It can be written as a sum of positive squares in 4 ways, for example, as 289392354304 + 1041640689664 = 537952^2 + 1020608^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13559030 + ... + 13656842.

Almost surely, 2^{1331033043968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331033043968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353923194596).

1331033043968 is an abundant number, since it is smaller than the sum of its proper divisors (1376813345224).

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

1331033043968 is an equidigital number, since it uses as much as digits as its factorization.

1331033043968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98067 (or 98049 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 1331033043968 in words is "one trillion, three hundred thirty-one billion, thirty-three million, forty-three thousand, nine hundred sixty-eight".