43131454100441 has 4 divisors (see below), whose sum is σ = 49293090400512. Its totient is φ = 36969817800372.

The previous prime is 43131454100389. The next prime is 43131454100459. The reversal of 43131454100441 is 14400145413134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43131454100441 - 2²² = 43131449906137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43131454109441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080818150025 + ... + 3080818150038.

It is an arithmetic number, because the mean of its divisors is an integer number (12323272600128).

Almost surely, 2^{43131454100441} is an apocalyptic number.

It is an amenable number.

43131454100441 is a deficient number, since it is larger than the sum of its proper divisors (6161636300071).

43131454100441 is an equidigital number, since it uses as much as digits as its factorization.

43131454100441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161636300070.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 43131454100441 its reverse (14400145413134), we get a palindrome (57531599513575).

The spelling of 43131454100441 in words is "forty-three trillion, one hundred thirty-one billion, four hundred fifty-four million, one hundred thousand, four hundred forty-one".