131444032 has 28 divisors (see below), whose sum is σ = 267201396. Its totient is φ = 64117760.

The previous prime is 131444023. The next prime is 131444041. The reversal of 131444032 is 230444131.

It is an interprime number because it is at equal distance from previous prime (131444023) and next prime (131444041).

It can be written as a sum of positive squares in 2 ways, for example, as 5645376 + 125798656 = 2376^2 + 11216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131443994 and 131444012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22423 + ... + 27670.

It is an arithmetic number, because the mean of its divisors is an integer number (9542907).

Almost surely, 2^131444032 is an apocalyptic number.

It is an amenable number.

131444032 is an abundant number, since it is smaller than the sum of its proper divisors (135757364).

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

131444032 is an equidigital number, since it uses as much as digits as its factorization.

131444032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50146 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 131444032 is about 11464.9043607001. The cubic root of 131444032 is about 508.4484848390.

Adding to 131444032 its reverse (230444131), we get a palindrome (361888163).

Subtracting 131444032 from its reverse (230444131), we obtain a palindrome (99000099).

The spelling of 131444032 in words is "one hundred thirty-one million, four hundred forty-four thousand, thirty-two".