13231234540524 has 96 divisors (see below), whose sum is σ = 41451699856896. Its totient is φ = 3172323962880.

The previous prime is 13231234540501. The next prime is 13231234540543. The reversal of 13231234540524 is 42504543213231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 550738677 + ... + 550762700.

It is an arithmetic number, because the mean of its divisors is an integer number (431788540176).

Almost surely, 2^{13231234540524} is an apocalyptic number.

13231234540524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13231234540524 is an abundant number, since it is smaller than the sum of its proper divisors (28220465316372).

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

13231234540524 is a wasteful number, since it uses less digits than its factorization.

13231234540524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101501415 (or 1101501413 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 13231234540524 its reverse (42504543213231), we get a palindrome (55735777753755).

The spelling of 13231234540524 in words is "thirteen trillion, two hundred thirty-one billion, two hundred thirty-four million, five hundred forty thousand, five hundred twenty-four".