131632344 has 64 divisors (see below), whose sum is σ = 368949600. Its totient is φ = 43481088.

The previous prime is 131632313. The next prime is 131632349. The reversal of 131632344 is 443236131.

131632344 is a `hidden beast` number, since 1 + 316 + 3 + 2 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131632349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21712 + ... + 27104.

Almost surely, 2^131632344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131632344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184474800).

131632344 is an abundant number, since it is smaller than the sum of its proper divisors (237317256).

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

131632344 is a wasteful number, since it uses less digits than its factorization.

131632344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521 (or 5511 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 131632344 is about 11473.1139626520. The cubic root of 131632344 is about 508.6911768866.

Adding to 131632344 its reverse (443236131), we get a palindrome (574868475).

The spelling of 131632344 in words is "one hundred thirty-one million, six hundred thirty-two thousand, three hundred forty-four".