1331342303412 has 48 divisors (see below), whose sum is σ = 3567232972800. Its totient is φ = 382203531360.

The previous prime is 1331342303411. The next prime is 1331342303419. The reversal of 1331342303412 is 2143032431331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331342303412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331342303411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265416612 + ... + 265421627.

It is an arithmetic number, because the mean of its divisors is an integer number (74317353600).

Almost surely, 2^{1331342303412} is an apocalyptic number.

1331342303412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331342303412 is an abundant number, since it is smaller than the sum of its proper divisors (2235890669388).

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

1331342303412 is a wasteful number, since it uses less digits than its factorization.

1331342303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530838276 (or 530838274 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1331342303412 its reverse (2143032431331), we get a palindrome (3474374734743).

The spelling of 1331342303412 in words is "one trillion, three hundred thirty-one billion, three hundred forty-two million, three hundred three thousand, four hundred twelve".