431402214 has 16 divisors (see below), whose sum is σ = 900317952. Its totient is φ = 137548488.

The previous prime is 431402189. The next prime is 431402221. The reversal of 431402214 is 412204134.

It is a super-2 number, since 2×431402214² = 372215740488203592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1562914 + ... + 1563189.

It is an arithmetic number, because the mean of its divisors is an integer number (56269872).

Almost surely, 2^431402214 is an apocalyptic number.

431402214 is an abundant number, since it is smaller than the sum of its proper divisors (468915738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431402214 is a wasteful number, since it uses less digits than its factorization.

431402214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126131.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 431402214 is about 20770.2242164113. The cubic root of 431402214 is about 755.6037823295.

Adding to 431402214 its reverse (412204134), we get a palindrome (843606348).

It can be divided in two parts, 43140 and 2214, that added together give a palindrome (45354).

The spelling of 431402214 in words is "four hundred thirty-one million, four hundred two thousand, two hundred fourteen".