214143331 has 4 divisors (see below), whose sum is σ = 216263664. Its totient is φ = 212023000.

The previous prime is 214143329. The next prime is 214143353. The reversal of 214143331 is 133341412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214143331 - 2¹ = 214143329 is a prime.

It is a super-2 number, since 2×214143331² = 91714732423551122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214143301) 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 3 ways as a sum of consecutive naturals, for example, 1060015 + ... + 1060216.

It is an arithmetic number, because the mean of its divisors is an integer number (54065916).

Almost surely, 2^214143331 is an apocalyptic number.

214143331 is a deficient number, since it is larger than the sum of its proper divisors (2120333).

214143331 is a wasteful number, since it uses less digits than its factorization.

214143331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120332.

The product of its digits is 864, while the sum is 22.

The square root of 214143331 is about 14633.6369710336. The cubic root of 214143331 is about 598.2759126536.

Adding to 214143331 its reverse (133341412), we get a palindrome (347484743).

The spelling of 214143331 in words is "two hundred fourteen million, one hundred forty-three thousand, three hundred thirty-one".