214831 has 2 divisors, whose sum is σ = 214832. Its totient is φ = 214830.

The previous prime is 214817. The next prime is 214849. The reversal of 214831 is 138412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214831 - 2¹³ = 206639 is a prime.

It is a super-2 number, since 2×214831² = 92304717122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214799 and 214808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214811) 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 as a sum of consecutive naturals, namely, 107415 + 107416.

It is an arithmetic number, because the mean of its divisors is an integer number (107416).

2²¹⁴⁸³¹ is an apocalyptic number.

214831 is a deficient number, since it is larger than the sum of its proper divisors (1).

214831 is an equidigital number, since it uses as much as digits as its factorization.

214831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 214831 is about 463.4986515622. The cubic root of 214831 is about 59.8915634024.

The spelling of 214831 in words is "two hundred fourteen thousand, eight hundred thirty-one".