431134681 has 8 divisors (see below), whose sum is σ = 454312800. Its totient is φ = 408005280.

The previous prime is 431134673. The next prime is 431134687. The reversal of 431134681 is 186431134.

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 431134681 - 2³ = 431134673 is a prime.

It is a super-2 number, since 2×431134681² = 371754226321943522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431134687) 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 7 ways as a sum of consecutive naturals, for example, 6765 + ... + 30133.

It is an arithmetic number, because the mean of its divisors is an integer number (56789100).

Almost surely, 2^431134681 is an apocalyptic number.

It is an amenable number.

431134681 is a deficient number, since it is larger than the sum of its proper divisors (23178119).

431134681 is a wasteful number, since it uses less digits than its factorization.

431134681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24359.

The product of its digits is 6912, while the sum is 31.

The square root of 431134681 is about 20763.7829164148. The cubic root of 431134681 is about 755.4475547674.

The spelling of 431134681 in words is "four hundred thirty-one million, one hundred thirty-four thousand, six hundred eighty-one".