1331040432344 has 24 divisors (see below), whose sum is σ = 2903162168340. Its totient is φ = 570445899408.

The previous prime is 1331040432329. The next prime is 1331040432461. The reversal of 1331040432344 is 4432340401331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331040432344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697755262 + ... + 1697756045.

Almost surely, 2^{1331040432344} is an apocalyptic number.

1331040432344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1331040432344 is an abundant number, since it is smaller than the sum of its proper divisors (1572121735996).

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

1331040432344 is a wasteful number, since it uses less digits than its factorization.

1331040432344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395511327 (or 3395511316 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1331040432344 its reverse (4432340401331), we get a palindrome (5763380833675).

The spelling of 1331040432344 in words is "one trillion, three hundred thirty-one billion, forty million, four hundred thirty-two thousand, three hundred forty-four".