213232001231 has 2 divisors, whose sum is σ = 213232001232. Its totient is φ = 213232001230.

The previous prime is 213232001189. The next prime is 213232001273. The reversal of 213232001231 is 132100232312.

213232001231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (213232001189) and next prime (213232001273).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213232001231 is a prime.

It is a super-2 number, since 2×213232001231² (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 (213232001131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616000615 + 106616000616.

It is an arithmetic number, because the mean of its divisors is an integer number (106616000616).

Almost surely, 2^213232001231 is an apocalyptic number.

213232001231 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232001231 is an equidigital number, since it uses as much as digits as its factorization.

213232001231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213232001231 its reverse (132100232312), we get a palindrome (345332233543).

The spelling of 213232001231 in words is "two hundred thirteen billion, two hundred thirty-two million, one thousand, two hundred thirty-one".