1331232544252 has 48 divisors (see below), whose sum is σ = 2553632119584. Its totient is φ = 603479520000.

The previous prime is 1331232544249. The next prime is 1331232544259. The reversal of 1331232544252 is 2524452321331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331232544259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924227 + ... + 2522917.

It is an arithmetic number, because the mean of its divisors is an integer number (53200669158).

Almost surely, 2^{1331232544252} is an apocalyptic number.

It is an amenable number.

1331232544252 is a deficient number, since it is larger than the sum of its proper divisors (1222399575332).

1331232544252 is a wasteful number, since it uses less digits than its factorization.

1331232544252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599470 (or 599468 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Adding to 1331232544252 its reverse (2524452321331), we get a palindrome (3855684865583).

The spelling of 1331232544252 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-two million, five hundred forty-four thousand, two hundred fifty-two".