1331331244430 has 128 divisors (see below), whose sum is σ = 2682866810880. Its totient is φ = 471521226240.

The previous prime is 1331331244391. The next prime is 1331331244457. The reversal of 1331331244430 is 344421331331.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1518051152 + ... + 1518052028.

It is an arithmetic number, because the mean of its divisors is an integer number (20959896960).

Almost surely, 2^{1331331244430} is an apocalyptic number.

1331331244430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331331244430 is an abundant number, since it is smaller than the sum of its proper divisors (1351535566450).

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

1331331244430 is a wasteful number, since it uses less digits than its factorization.

1331331244430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1331331244430 its reverse (344421331331), we get a palindrome (1675752575761).

The spelling of 1331331244430 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, two hundred forty-four thousand, four hundred thirty".