131133324 has 24 divisors (see below), whose sum is σ = 349689088. Its totient is φ = 37466640.

The previous prime is 131133287. The next prime is 131133329. The reversal of 131133324 is 423331131.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a self number, because there is not a number n which added to its sum of digits gives 131133324.

It is not an unprimeable number, because it can be changed into a prime (131133329) 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, 780472 + ... + 780639.

Almost surely, 2^131133324 is an apocalyptic number.

131133324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131133324 is an abundant number, since it is smaller than the sum of its proper divisors (218555764).

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

131133324 is a wasteful number, since it uses less digits than its factorization.

131133324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561125 (or 1561123 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 131133324 is about 11451.3459470929. The cubic root of 131133324 is about 508.0475444785.

Adding to 131133324 its reverse (423331131), we get a palindrome (554464455).

The spelling of 131133324 in words is "one hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty-four".