214038631 has 2 divisors, whose sum is σ = 214038632. Its totient is φ = 214038630.

The previous prime is 214038593. The next prime is 214038637. The reversal of 214038631 is 136830412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214038631 - 2⁹ = 214038119 is a prime.

It is a super-2 number, since 2×214038631² = 91625071120708322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 214038631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214038637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107019315 + 107019316.

It is an arithmetic number, because the mean of its divisors is an integer number (107019316).

Almost surely, 2^214038631 is an apocalyptic number.

214038631 is a deficient number, since it is larger than the sum of its proper divisors (1).

214038631 is an equidigital number, since it uses as much as digits as its factorization.

214038631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 214038631 is about 14630.0591591422. The cubic root of 214038631 is about 598.1783927679.

The spelling of 214038631 in words is "two hundred fourteen million, thirty-eight thousand, six hundred thirty-one".