431443053 has 6 divisors (see below), whose sum is σ = 623195534. Its totient is φ = 287628696.

The previous prime is 431443049. The next prime is 431443069. The reversal of 431443053 is 350344134.

It can be written as a sum of positive squares in only one way, i.e., 427745124 + 3697929 = 20682^2 + 1923^2 .

It is not a de Polignac number, because 431443053 - 2² = 431443049 is a prime.

It is a super-2 number, since 2×431443053² = 372286215963921618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431443093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23969050 + ... + 23969067.

Almost surely, 2^431443053 is an apocalyptic number.

It is an amenable number.

431443053 is a deficient number, since it is larger than the sum of its proper divisors (191752481).

431443053 is a wasteful number, since it uses less digits than its factorization.

431443053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47938123 (or 47938120 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 431443053 is about 20771.2073072318. The cubic root of 431443053 is about 755.6276248352.

Adding to 431443053 its reverse (350344134), we get a palindrome (781787187).

The spelling of 431443053 in words is "four hundred thirty-one million, four hundred forty-three thousand, fifty-three".