431232044243 has 32 divisors (see below), whose sum is σ = 580859016192. Its totient is φ = 309179318400.

The previous prime is 431232044197. The next prime is 431232044261. The reversal of 431232044243 is 342440232134.

It is a cyclic number.

It is not a de Polignac number, because 431232044243 - 2⁶ = 431232044179 is a prime.

It is a super-2 number, since 2×431232044243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431232044143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381296 + ... + 1003917.

It is an arithmetic number, because the mean of its divisors is an integer number (18151844256).

Almost surely, 2^431232044243 is an apocalyptic number.

431232044243 is a deficient number, since it is larger than the sum of its proper divisors (149626971949).

431232044243 is a wasteful number, since it uses less digits than its factorization.

431232044243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385555.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 431232044243 its reverse (342440232134), we get a palindrome (773672276377).

The spelling of 431232044243 in words is "four hundred thirty-one billion, two hundred thirty-two million, forty-four thousand, two hundred forty-three".