131113240544 has 48 divisors (see below), whose sum is σ = 303256684080. Its totient is φ = 55012546560.

The previous prime is 131113240541. The next prime is 131113240579. The reversal of 131113240544 is 445042311131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113240541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14321609 + ... + 14330760.

It is an arithmetic number, because the mean of its divisors is an integer number (6317847585).

Almost surely, 2^131113240544 is an apocalyptic number.

It is an amenable number.

131113240544 is an abundant number, since it is smaller than the sum of its proper divisors (172143443536).

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

131113240544 is a wasteful number, since it uses less digits than its factorization.

131113240544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28652403 (or 28652395 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 131113240544 its reverse (445042311131), we get a palindrome (576155551675).

The spelling of 131113240544 in words is "one hundred thirty-one billion, one hundred thirteen million, two hundred forty thousand, five hundred forty-four".