214244031 has 4 divisors (see below), whose sum is σ = 285658712. Its totient is φ = 142829352.

The previous prime is 214244021. The next prime is 214244033. The reversal of 214244031 is 130442412.

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

It is not a de Polignac number, because 214244031 - 2¹⁹ = 213719743 is a prime.

It is a super-2 number, since 2×214244031² = 91801009638257922, 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 = 214243989 and 214244007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214244033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35707336 + ... + 35707341.

It is an arithmetic number, because the mean of its divisors is an integer number (71414678).

Almost surely, 2^214244031 is an apocalyptic number.

214244031 is a deficient number, since it is larger than the sum of its proper divisors (71414681).

214244031 is an equidigital number, since it uses as much as digits as its factorization.

214244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71414680.

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

The square root of 214244031 is about 14637.0772697284. The cubic root of 214244031 is about 598.3696768676.

Adding to 214244031 its reverse (130442412), we get a palindrome (344686443).

The spelling of 214244031 in words is "two hundred fourteen million, two hundred forty-four thousand, thirty-one".