1331321310132 has 96 divisors (see below), whose sum is σ = 3402502225920. Its totient is φ = 401802875520.

The previous prime is 1331321310113. The next prime is 1331321310149. The reversal of 1331321310132 is 2310131231331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105261433 + ... + 105274079.

It is an arithmetic number, because the mean of its divisors is an integer number (35442731520).

Almost surely, 2^{1331321310132} is an apocalyptic number.

1331321310132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331321310132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701251112960).

1331321310132 is an abundant number, since it is smaller than the sum of its proper divisors (2071180915788).

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

1331321310132 is a wasteful number, since it uses less digits than its factorization.

1331321310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15821 (or 15819 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1331321310132 its reverse (2310131231331), we get a palindrome (3641452541463).

The spelling of 1331321310132 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, three hundred ten thousand, one hundred thirty-two".