131431334524 has 24 divisors (see below), whose sum is σ = 278325180000. Its totient is φ = 53014319616.

The previous prime is 131431334513. The next prime is 131431334537. The reversal of 131431334524 is 425433134131.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 131431334524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138057649 + ... + 138058600.

It is an arithmetic number, because the mean of its divisors is an integer number (11596882500).

Almost surely, 2^131431334524 is an apocalyptic number.

131431334524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131431334524 is an abundant number, since it is smaller than the sum of its proper divisors (146893845476).

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

131431334524 is a wasteful number, since it uses less digits than its factorization.

131431334524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276116277 (or 276116275 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

Adding to 131431334524 its reverse (425433134131), we get a palindrome (556864468655).

The spelling of 131431334524 in words is "one hundred thirty-one billion, four hundred thirty-one million, three hundred thirty-four thousand, five hundred twenty-four".