1331323125344 has 24 divisors (see below), whose sum is σ = 2758992004440. Its totient is φ = 630626743296.

The previous prime is 1331323125337. The next prime is 1331323125347. The reversal of 1331323125344 is 4435213231331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331323125347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094837489 + ... + 1094838704.

It is an arithmetic number, because the mean of its divisors is an integer number (114958000185).

Almost surely, 2^{1331323125344} is an apocalyptic number.

It is an amenable number.

1331323125344 is an abundant number, since it is smaller than the sum of its proper divisors (1427668879096).

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

1331323125344 is a wasteful number, since it uses less digits than its factorization.

1331323125344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189676222 (or 2189676214 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

Adding to 1331323125344 its reverse (4435213231331), we get a palindrome (5766536356675).

The spelling of 1331323125344 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred twenty-five thousand, three hundred forty-four".