131730441 has 16 divisors (see below), whose sum is σ = 181997760. Its totient is φ = 84651840.

The previous prime is 131730427. The next prime is 131730449. The reversal of 131730441 is 144037131.

It is not a de Polignac number, because 131730441 - 2⁹ = 131729929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131730449) 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, 88086 + ... + 89568.

It is an arithmetic number, because the mean of its divisors is an integer number (11374860).

Almost surely, 2^131730441 is an apocalyptic number.

It is an amenable number.

131730441 is a deficient number, since it is larger than the sum of its proper divisors (50267319).

131730441 is a wasteful number, since it uses less digits than its factorization.

131730441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 131730441 is about 11477.3882482035. The cubic root of 131730441 is about 508.8175102937.

Adding to 131730441 its reverse (144037131), we get a palindrome (275767572).

The spelling of 131730441 in words is "one hundred thirty-one million, seven hundred thirty thousand, four hundred forty-one".