43213000331 has 2 divisors, whose sum is σ = 43213000332. Its totient is φ = 43213000330.

The previous prime is 43213000307. The next prime is 43213000339. The reversal of 43213000331 is 13300031234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43213000331 - 2¹⁰ = 43212999307 is a prime.

It is a super-2 number, since 2×43213000331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43213000339) 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, 21606500165 + 21606500166.

It is an arithmetic number, because the mean of its divisors is an integer number (21606500166).

Almost surely, 2^43213000331 is an apocalyptic number.

43213000331 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213000331 is an equidigital number, since it uses as much as digits as its factorization.

43213000331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 43213000331 its reverse (13300031234), we get a palindrome (56513031565).

The spelling of 43213000331 in words is "forty-three billion, two hundred thirteen million, three hundred thirty-one", and thus it is an aban number.