214006031381 has 2 divisors, whose sum is σ = 214006031382. Its totient is φ = 214006031380.

The previous prime is 214006031353. The next prime is 214006031431. The reversal of 214006031381 is 183130600412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184204914481 + 29801116900 = 429191^2 + 172630^2 .

It is a cyclic number.

It is not a de Polignac number, because 214006031381 - 2¹⁴ = 214006014997 is a prime.

It is a super-2 number, since 2×214006031381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214006031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107003015690 + 107003015691.

It is an arithmetic number, because the mean of its divisors is an integer number (107003015691).

Almost surely, 2^214006031381 is an apocalyptic number.

It is an amenable number.

214006031381 is a deficient number, since it is larger than the sum of its proper divisors (1).

214006031381 is an equidigital number, since it uses as much as digits as its factorization.

214006031381 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 29.

Adding to 214006031381 its reverse (183130600412), we get a palindrome (397136631793).

The spelling of 214006031381 in words is "two hundred fourteen billion, six million, thirty-one thousand, three hundred eighty-one".