210430431 has 12 divisors (see below), whose sum is σ = 305655480. Its totient is φ = 139502160.

The previous prime is 210430393. The next prime is 210430463. The reversal of 210430431 is 134034012.

It is not a de Polignac number, because 210430431 - 2¹⁰ = 210429407 is a prime.

It is a super-2 number, since 2×210430431² = 88561932581691522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210434431) 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 11 ways as a sum of consecutive naturals, for example, 63700 + ... + 66921.

It is an arithmetic number, because the mean of its divisors is an integer number (25471290).

Almost surely, 2^210430431 is an apocalyptic number.

210430431 is a deficient number, since it is larger than the sum of its proper divisors (95225049).

210430431 is a wasteful number, since it uses less digits than its factorization.

210430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130806 (or 130803 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 210430431 is about 14506.2204243559. The cubic root of 210430431 is about 594.7980210327.

Adding to 210430431 its reverse (134034012), we get a palindrome (344464443).

The spelling of 210430431 in words is "two hundred ten million, four hundred thirty thousand, four hundred thirty-one".