131324434 has 16 divisors (see below), whose sum is σ = 206034048. Its totient is φ = 62659872.

The previous prime is 131324429. The next prime is 131324443. The reversal of 131324434 is 434423131.

It is a super-2 number, since 2×131324434² = 34492213930840712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131324399 and 131324408.

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, 17899 + ... + 24145.

It is an arithmetic number, because the mean of its divisors is an integer number (12877128).

Almost surely, 2^131324434 is an apocalyptic number.

131324434 is a deficient number, since it is larger than the sum of its proper divisors (74709614).

131324434 is a wasteful number, since it uses less digits than its factorization.

131324434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729.

The product of its digits is 3456, while the sum is 25.

The square root of 131324434 is about 11459.6873430299. The cubic root of 131324434 is about 508.2942293907.

Adding to 131324434 its reverse (434423131), we get a palindrome (565747565).

The spelling of 131324434 in words is "one hundred thirty-one million, three hundred twenty-four thousand, four hundred thirty-four".