431105052 has 48 divisors (see below), whose sum is σ = 1150833152. Its totient is φ = 123042240.

The previous prime is 431105029. The next prime is 431105083. The reversal of 431105052 is 250501134.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99777 + ... + 104007.

Almost surely, 2^431105052 is an apocalyptic number.

431105052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

431105052 is an abundant number, since it is smaller than the sum of its proper divisors (719728100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431105052 is a wasteful number, since it uses less digits than its factorization.

431105052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5456 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 431105052 is about 20763.0694262674. The cubic root of 431105052 is about 755.4302487535.

Adding to 431105052 its reverse (250501134), we get a palindrome (681606186).

The spelling of 431105052 in words is "four hundred thirty-one million, one hundred five thousand, fifty-two".