1331340404232 has 64 divisors (see below), whose sum is σ = 3374206416000. Its totient is φ = 437667024384.

The previous prime is 1331340404227. The next prime is 1331340404237. The reversal of 1331340404232 is 2324040431331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1331340404227) and next prime (1331340404237).

It is a self number, because there is not a number n which added to its sum of digits gives 1331340404232.

It is not an unprimeable number, because it can be changed into a prime (1331340404237) 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, 33406494 + ... + 33446322.

It is an arithmetic number, because the mean of its divisors is an integer number (52721975250).

Almost surely, 2^{1331340404232} is an apocalyptic number.

1331340404232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331340404232 is an abundant number, since it is smaller than the sum of its proper divisors (2042866011768).

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

1331340404232 is a wasteful number, since it uses less digits than its factorization.

1331340404232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58990 (or 58986 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1331340404232 its reverse (2324040431331), we get a palindrome (3655380835563).

The spelling of 1331340404232 in words is "one trillion, three hundred thirty-one billion, three hundred forty million, four hundred four thousand, two hundred thirty-two".