431140433 has 8 divisors (see below), whose sum is σ = 433296000. Its totient is φ = 428990848.

The previous prime is 431140427. The next prime is 431140439. The reversal of 431140433 is 334041134.

It is an interprime number because it is at equal distance from previous prime (431140427) and next prime (431140439).

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 431140433 - 2¹⁴ = 431124049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431140399 and 431140408.

It is not an unprimeable number, because it can be changed into a prime (431140439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210428 + ... + 212466.

It is an arithmetic number, because the mean of its divisors is an integer number (54162000).

Almost surely, 2^431140433 is an apocalyptic number.

It is an amenable number.

431140433 is a deficient number, since it is larger than the sum of its proper divisors (2155567).

431140433 is a wasteful number, since it uses less digits than its factorization.

431140433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 431140433 is about 20763.9214263588. The cubic root of 431140433 is about 755.4509143634.

Adding to 431140433 its reverse (334041134), we get a palindrome (765181567).

It can be divided in two parts, 4311 and 40433, that added together give a palindrome (44744).

The spelling of 431140433 in words is "four hundred thirty-one million, one hundred forty thousand, four hundred thirty-three".