213020324351 has 2 divisors, whose sum is σ = 213020324352. Its totient is φ = 213020324350.

The previous prime is 213020324303. The next prime is 213020324393. The reversal of 213020324351 is 153423020312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213020324351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213020324351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213020320351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106510162175 + 106510162176.

It is an arithmetic number, because the mean of its divisors is an integer number (106510162176).

Almost surely, 2^213020324351 is an apocalyptic number.

213020324351 is a deficient number, since it is larger than the sum of its proper divisors (1).

213020324351 is an equidigital number, since it uses as much as digits as its factorization.

213020324351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 213020324351 its reverse (153423020312), we get a palindrome (366443344663).

The spelling of 213020324351 in words is "two hundred thirteen billion, twenty million, three hundred twenty-four thousand, three hundred fifty-one".