213234215027 has 2 divisors, whose sum is σ = 213234215028. Its totient is φ = 213234215026.

The previous prime is 213234214997. The next prime is 213234215053. The reversal of 213234215027 is 720512432312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213234215027 is a prime.

It is a super-2 number, since 2×213234215027² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213234214984 and 213234215002.

It is not a weakly prime, because it can be changed into another prime (213234245027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106617107513 + 106617107514.

It is an arithmetic number, because the mean of its divisors is an integer number (106617107514).

Almost surely, 2^213234215027 is an apocalyptic number.

213234215027 is a deficient number, since it is larger than the sum of its proper divisors (1).

213234215027 is an equidigital number, since it uses as much as digits as its factorization.

213234215027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 213234215027 its reverse (720512432312), we get a palindrome (933746647339).

The spelling of 213234215027 in words is "two hundred thirteen billion, two hundred thirty-four million, two hundred fifteen thousand, twenty-seven".