431243111 has 8 divisors (see below), whose sum is σ = 464588880. Its totient is φ = 397922112.

The previous prime is 431243051. The next prime is 431243119. The reversal of 431243111 is 111342134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431243111 - 2¹⁴ = 431226727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431243119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46856 + ... + 55298.

It is an arithmetic number, because the mean of its divisors is an integer number (58073610).

Almost surely, 2^431243111 is an apocalyptic number.

431243111 is a deficient number, since it is larger than the sum of its proper divisors (33345769).

431243111 is a wasteful number, since it uses less digits than its factorization.

431243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12385.

The product of its digits is 288, while the sum is 20.

The square root of 431243111 is about 20766.3937890044. The cubic root of 431243111 is about 755.5108809281.

Adding to 431243111 its reverse (111342134), we get a palindrome (542585245).

The spelling of 431243111 in words is "four hundred thirty-one million, two hundred forty-three thousand, one hundred eleven".