131042515424 has 24 divisors (see below), whose sum is σ = 271568372040. Its totient is φ = 62072770176.

The previous prime is 131042515411. The next prime is 131042515447. The reversal of 131042515424 is 424515240131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107764619 + ... + 107765834.

It is an arithmetic number, because the mean of its divisors is an integer number (11315348835).

Almost surely, 2^131042515424 is an apocalyptic number.

It is an amenable number.

131042515424 is an abundant number, since it is smaller than the sum of its proper divisors (140525856616).

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

131042515424 is a wasteful number, since it uses less digits than its factorization.

131042515424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215530482 (or 215530474 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 131042515424 its reverse (424515240131), we get a palindrome (555557755555).

The spelling of 131042515424 in words is "one hundred thirty-one billion, forty-two million, five hundred fifteen thousand, four hundred twenty-four".