131032441 has 2 divisors, whose sum is σ = 131032442. Its totient is φ = 131032440.

The previous prime is 131032393. The next prime is 131032457. The reversal of 131032441 is 144230131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80622441 + 50410000 = 8979^2 + 7100^2 .

It is an emirp because it is prime and its reverse (144230131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131032441 - 2¹⁷ = 130901369 is a prime.

It is not a weakly prime, because it can be changed into another prime (131032471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65516220 + 65516221.

It is an arithmetic number, because the mean of its divisors is an integer number (65516221).

Almost surely, 2^131032441 is an apocalyptic number.

It is an amenable number.

131032441 is a deficient number, since it is larger than the sum of its proper divisors (1).

131032441 is an equidigital number, since it uses as much as digits as its factorization.

131032441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131032441 is about 11446.9402461968. The cubic root of 131032441 is about 507.9172279736.

Adding to 131032441 its reverse (144230131), we get a palindrome (275262572).

The spelling of 131032441 in words is "one hundred thirty-one million, thirty-two thousand, four hundred forty-one".