431555041 has 4 divisors (see below), whose sum is σ = 431598784. Its totient is φ = 431511300.

The previous prime is 431555021. The next prime is 431555057. The reversal of 431555041 is 140555134.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 431555041 - 2¹¹ = 431552993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431555011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676 + ... + 29386.

It is an arithmetic number, because the mean of its divisors is an integer number (107899696).

Almost surely, 2^431555041 is an apocalyptic number.

It is an amenable number.

431555041 is a deficient number, since it is larger than the sum of its proper divisors (43743).

431555041 is a wasteful number, since it uses less digits than its factorization.

431555041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43742.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 431555041 is about 20773.9028831850. The cubic root of 431555041 is about 755.6929976233.

The spelling of 431555041 in words is "four hundred thirty-one million, five hundred fifty-five thousand, forty-one".