131124432 has 40 divisors (see below), whose sum is σ = 344486880. Its totient is φ = 42966400.

The previous prime is 131124421. The next prime is 131124463. The reversal of 131124432 is 234421131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 131124399 and 131124408.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20319 + ... + 25982.

It is an arithmetic number, because the mean of its divisors is an integer number (8612172).

Almost surely, 2^131124432 is an apocalyptic number.

131124432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131124432 is an abundant number, since it is smaller than the sum of its proper divisors (213362448).

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

131124432 is a wasteful number, since it uses less digits than its factorization.

131124432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46371 (or 46365 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 131124432 is about 11450.9576892066. The cubic root of 131124432 is about 508.0360608456.

Adding to 131124432 its reverse (234421131), we get a palindrome (365545563).

The spelling of 131124432 in words is "one hundred thirty-one million, one hundred twenty-four thousand, four hundred thirty-two".