431116427 has 8 divisors (see below), whose sum is σ = 492957696. Its totient is φ = 369338472.

The previous prime is 431116417. The next prime is 431116453. The reversal of 431116427 is 724611134.

It is a happy number.

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 431116427 - 2⁸ = 431116171 is a prime.

It is a super-2 number, since 2×431116427² = 371722747258492658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431116427.

It is not an unprimeable number, because it can be changed into a prime (431116417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203 + ... + 29364.

It is an arithmetic number, because the mean of its divisors is an integer number (61619712).

Almost surely, 2^431116427 is an apocalyptic number.

431116427 is a deficient number, since it is larger than the sum of its proper divisors (61841269).

431116427 is a wasteful number, since it uses less digits than its factorization.

431116427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31657.

The product of its digits is 4032, while the sum is 29.

The square root of 431116427 is about 20763.3433483146. The cubic root of 431116427 is about 755.4368928754.

The spelling of 431116427 in words is "four hundred thirty-one million, one hundred sixteen thousand, four hundred twenty-seven".