1331001002232 has 128 divisors (see below), whose sum is σ = 4245617376000. Its totient is φ = 382105537920.

The previous prime is 1331001002189. The next prime is 1331001002237. The reversal of 1331001002232 is 2322001001331.

1331001002232 is a `hidden beast` number, since 1 + 331 + 0 + 0 + 100 + 2 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331001002237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14696583 + ... + 14786870.

It is an arithmetic number, because the mean of its divisors is an integer number (33168885750).

Almost surely, 2^{1331001002232} is an apocalyptic number.

1331001002232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331001002232 is an abundant number, since it is smaller than the sum of its proper divisors (2914616373768).

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

1331001002232 is a wasteful number, since it uses less digits than its factorization.

1331001002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29483498 (or 29483488 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1331001002232 its reverse (2322001001331), we get a palindrome (3653002003563).

Subtracting 1331001002232 from its reverse (2322001001331), we obtain a palindrome (990999999099).

The spelling of 1331001002232 in words is "one trillion, three hundred thirty-one billion, one million, two thousand, two hundred thirty-two".