431282693 has 16 divisors (see below), whose sum is σ = 462397680. Its totient is φ = 401458176.

The previous prime is 431282681. The next prime is 431282711. The reversal of 431282693 is 396282134.

It can be written as a sum of positive squares in 8 ways, for example, as 37736449 + 393546244 = 6143^2 + 19838^2 .

It is a cyclic number.

It is not a de Polignac number, because 431282693 - 2²⁰ = 430234117 is a prime.

It is a super-2 number, since 2×431282693² = 372009522562664498, 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 (431182693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119471 + ... + 123027.

It is an arithmetic number, because the mean of its divisors is an integer number (28899855).

Almost surely, 2^431282693 is an apocalyptic number.

It is an amenable number.

431282693 is a deficient number, since it is larger than the sum of its proper divisors (31114987).

431282693 is a wasteful number, since it uses less digits than its factorization.

431282693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736.

The product of its digits is 62208, while the sum is 38.

The square root of 431282693 is about 20767.3467973162. The cubic root of 431282693 is about 755.5339952814.

The spelling of 431282693 in words is "four hundred thirty-one million, two hundred eighty-two thousand, six hundred ninety-three".