1331353311320 has 32 divisors (see below), whose sum is σ = 3044652250320. Its totient is φ = 523811137920.

The previous prime is 1331353311269. The next prime is 1331353311349. The reversal of 1331353311320 is 231133531331.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 272815862 + ... + 272820741.

Almost surely, 2^{1331353311320} is an apocalyptic number.

1331353311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331353311320 is an abundant number, since it is smaller than the sum of its proper divisors (1713298939000).

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

1331353311320 is a wasteful number, since it uses less digits than its factorization.

1331353311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545636675 (or 545636671 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 29.

Adding to 1331353311320 its reverse (231133531331), we get a palindrome (1562486842651).

The spelling of 1331353311320 in words is "one trillion, three hundred thirty-one billion, three hundred fifty-three million, three hundred eleven thousand, three hundred twenty".