131112324 has 48 divisors (see below), whose sum is σ = 388483200. Its totient is φ = 37460448.

The previous prime is 131112323. The next prime is 131112329. The reversal of 131112324 is 423211131.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 = 131112297 and 131112306.

It is not an unprimeable number, because it can be changed into a prime (131112323) by changing a digit.

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, 85959 + ... + 87470.

It is an arithmetic number, because the mean of its divisors is an integer number (8093400).

Almost surely, 2^131112324 is an apocalyptic number.

131112324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131112324 is an abundant number, since it is smaller than the sum of its proper divisors (257370876).

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

131112324 is a wasteful number, since it uses less digits than its factorization.

131112324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173449 (or 173441 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 131112324 is about 11450.4289875969. The cubic root of 131112324 is about 508.0204230531.

Adding to 131112324 its reverse (423211131), we get a palindrome (554323455).

The spelling of 131112324 in words is "one hundred thirty-one million, one hundred twelve thousand, three hundred twenty-four".