213430411 has 2 divisors, whose sum is σ = 213430412. Its totient is φ = 213430410.

The previous prime is 213430387. The next prime is 213430447. The reversal of 213430411 is 114034312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213430411 is a prime.

It is not a weakly prime, because it can be changed into another prime (213439411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106715205 + 106715206.

It is an arithmetic number, because the mean of its divisors is an integer number (106715206).

Almost surely, 2^213430411 is an apocalyptic number.

213430411 is a deficient number, since it is larger than the sum of its proper divisors (1).

213430411 is an equidigital number, since it uses as much as digits as its factorization.

213430411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 213430411 is about 14609.2577155720. The cubic root of 213430411 is about 597.6112533626.

Adding to 213430411 its reverse (114034312), we get a palindrome (327464723).

The spelling of 213430411 in words is "two hundred thirteen million, four hundred thirty thousand, four hundred eleven".