131242001424 has 80 divisors (see below), whose sum is σ = 358889678400. Its totient is φ = 41256488448.

The previous prime is 131242001417. The next prime is 131242001437. The reversal of 131242001424 is 424100242131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 131242001394 and 131242001403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036459 + ... + 1156170.

It is an arithmetic number, because the mean of its divisors is an integer number (4486120980).

Almost surely, 2^131242001424 is an apocalyptic number.

It is an amenable number.

131242001424 is an abundant number, since it is smaller than the sum of its proper divisors (227647676976).

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

131242001424 is a wasteful number, since it uses less digits than its factorization.

131242001424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192712 (or 2192706 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131242001424 its reverse (424100242131), we get a palindrome (555342243555).

The spelling of 131242001424 in words is "one hundred thirty-one billion, two hundred forty-two million, one thousand, four hundred twenty-four".