213143342231 has 2 divisors, whose sum is σ = 213143342232. Its totient is φ = 213143342230.

The previous prime is 213143342219. The next prime is 213143342273. The reversal of 213143342231 is 132243341312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213143342231 - 2¹⁰ = 213143341207 is a prime.

It is a super-2 number, since 2×213143342231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 213143342194 and 213143342203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213143342201) 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, 106571671115 + 106571671116.

It is an arithmetic number, because the mean of its divisors is an integer number (106571671116).

Almost surely, 2^213143342231 is an apocalyptic number.

213143342231 is a deficient number, since it is larger than the sum of its proper divisors (1).

213143342231 is an equidigital number, since it uses as much as digits as its factorization.

213143342231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

Adding to 213143342231 its reverse (132243341312), we get a palindrome (345386683543).

The spelling of 213143342231 in words is "two hundred thirteen billion, one hundred forty-three million, three hundred forty-two thousand, two hundred thirty-one".