214240031 has 2 divisors, whose sum is σ = 214240032. Its totient is φ = 214240030.

The previous prime is 214239997. The next prime is 214240051. The reversal of 214240031 is 130042412.

214240031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214240031 - 2¹⁰ = 214239007 is a prime.

It is a super-2 number, since 2×214240031² = 91797581765761922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214239991 and 214240009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214240051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107120015 + 107120016.

It is an arithmetic number, because the mean of its divisors is an integer number (107120016).

Almost surely, 2^214240031 is an apocalyptic number.

214240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

214240031 is an equidigital number, since it uses as much as digits as its factorization.

214240031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214240031 is about 14636.9406297901. The cubic root of 214240031 is about 598.3659529309.

Adding to 214240031 its reverse (130042412), we get a palindrome (344282443).

The spelling of 214240031 in words is "two hundred fourteen million, two hundred forty thousand, thirty-one".