431555241 has 32 divisors (see below), whose sum is σ = 632112768. Its totient is φ = 260282880.

The previous prime is 431555219. The next prime is 431555287. The reversal of 431555241 is 142555134.

It is not a de Polignac number, because 431555241 - 2¹¹ = 431553193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431555199 and 431555208.

It is not an unprimeable number, because it can be changed into a prime (431555291) 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 31 ways as a sum of consecutive naturals, for example, 828061 + ... + 828581.

It is an arithmetic number, because the mean of its divisors is an integer number (19753524).

Almost surely, 2^431555241 is an apocalyptic number.

It is an amenable number.

431555241 is a deficient number, since it is larger than the sum of its proper divisors (200557527).

431555241 is a wasteful number, since it uses less digits than its factorization.

431555241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921.

The product of its digits is 12000, while the sum is 30.

The square root of 431555241 is about 20773.9076969163. The cubic root of 431555241 is about 755.6931143628.

The spelling of 431555241 in words is "four hundred thirty-one million, five hundred fifty-five thousand, two hundred forty-one".