431232141 has 4 divisors (see below), whose sum is σ = 574976192. Its totient is φ = 287488092.

The previous prime is 431232101. The next prime is 431232157. The reversal of 431232141 is 141232134.

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 not a de Polignac number, because 431232141 - 2¹⁸ = 430969997 is a prime.

It is a super-2 number, since 2×431232141² = 371922318862887762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431232101) 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, 71872021 + ... + 71872026.

It is an arithmetic number, because the mean of its divisors is an integer number (143744048).

Almost surely, 2^431232141 is an apocalyptic number.

It is an amenable number.

431232141 is a deficient number, since it is larger than the sum of its proper divisors (143744051).

431232141 is a wasteful number, since it uses less digits than its factorization.

431232141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143744050.

The product of its digits is 576, while the sum is 21.

The square root of 431232141 is about 20766.1296586533. The cubic root of 431232141 is about 755.5044746232.

Adding to 431232141 its reverse (141232134), we get a palindrome (572464275).

The spelling of 431232141 in words is "four hundred thirty-one million, two hundred thirty-two thousand, one hundred forty-one".