214045331 has 4 divisors (see below), whose sum is σ = 214184712. Its totient is φ = 213905952.

The previous prime is 214045327. The next prime is 214045343. The reversal of 214045331 is 133540412.

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 214045331 - 2² = 214045327 is a prime.

It is a super-2 number, since 2×214045331² = 91630807445799122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214045297 and 214045306.

It is not an unprimeable number, because it can be changed into a prime (214075331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67361 + ... + 70466.

It is an arithmetic number, because the mean of its divisors is an integer number (53546178).

Almost surely, 2^214045331 is an apocalyptic number.

214045331 is a deficient number, since it is larger than the sum of its proper divisors (139381).

214045331 is a wasteful number, since it uses less digits than its factorization.

214045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139380.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 214045331 is about 14630.2881379691. The cubic root of 214045331 is about 598.1846342477.

Adding to 214045331 its reverse (133540412), we get a palindrome (347585743).

The spelling of 214045331 in words is "two hundred fourteen million, forty-five thousand, three hundred thirty-one".