131024424 has 32 divisors (see below), whose sum is σ = 328525920. Its totient is φ = 43546176.

The previous prime is 131024393. The next prime is 131024429. The reversal of 131024424 is 424420131.

It is a self number, because there is not a number n which added to its sum of digits gives 131024424.

It is not an unprimeable number, because it can be changed into a prime (131024429) 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, 462 + ... + 16194.

It is an arithmetic number, because the mean of its divisors is an integer number (10266435).

Almost surely, 2^131024424 is an apocalyptic number.

It is an amenable number.

131024424 is an abundant number, since it is smaller than the sum of its proper divisors (197501496).

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

131024424 is a wasteful number, since it uses less digits than its factorization.

131024424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16089 (or 16085 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 131024424 is about 11446.5900599261. The cubic root of 131024424 is about 507.9068690746.

Adding to 131024424 its reverse (424420131), we get a palindrome (555444555).

The spelling of 131024424 in words is "one hundred thirty-one million, twenty-four thousand, four hundred twenty-four".