431242524 has 18 divisors (see below), whose sum is σ = 1090085360. Its totient is φ = 143747496.

The previous prime is 431242517. The next prime is 431242541. The reversal of 431242524 is 425242134.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×431242524² = 371940229011781152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5989444 + ... + 5989515.

Almost surely, 2^431242524 is an apocalyptic number.

It is an amenable number.

431242524 is an abundant number, since it is smaller than the sum of its proper divisors (658842836).

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

431242524 is a wasteful number, since it uses less digits than its factorization.

431242524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978969 (or 11978964 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 431242524 is about 20766.3796555875. The cubic root of 431242524 is about 755.5105381323.

Adding to 431242524 its reverse (425242134), we get a palindrome (856484658).

The spelling of 431242524 in words is "four hundred thirty-one million, two hundred forty-two thousand, five hundred twenty-four".