214071731 has 2 divisors, whose sum is σ = 214071732. Its totient is φ = 214071730.

The previous prime is 214071713. The next prime is 214071763. The reversal of 214071731 is 137170412.

It is a happy number.

Together with previous prime (214071713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214071731 - 2²⁶ = 146962867 is a prime.

It is a super-2 number, since 2×214071731² = 91653412026672722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_11813723 and since 214071731 and 11813723 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214071731.

It is not a weakly prime, because it can be changed into another prime (214071791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107035865 + 107035866.

It is an arithmetic number, because the mean of its divisors is an integer number (107035866).

Almost surely, 2^214071731 is an apocalyptic number.

214071731 is a deficient number, since it is larger than the sum of its proper divisors (1).

214071731 is an equidigital number, since it uses as much as digits as its factorization.

214071731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 214071731 is about 14631.1903480202. The cubic root of 214071731 is about 598.2092262739.

The spelling of 214071731 in words is "two hundred fourteen million, seventy-one thousand, seven hundred thirty-one".