213302203381 has 2 divisors, whose sum is σ = 213302203382. Its totient is φ = 213302203380.

The previous prime is 213302203273. The next prime is 213302203393. The reversal of 213302203381 is 183302203312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206471180881 + 6831022500 = 454391^2 + 82650^2 .

It is a cyclic number.

It is not a de Polignac number, because 213302203381 - 2⁷ = 213302203253 is a prime.

It is a super-2 number, since 2×213302203381² (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 (213302273381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651101690 + 106651101691.

It is an arithmetic number, because the mean of its divisors is an integer number (106651101691).

Almost surely, 2^213302203381 is an apocalyptic number.

It is an amenable number.

213302203381 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302203381 is an equidigital number, since it uses as much as digits as its factorization.

213302203381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 213302203381 its reverse (183302203312), we get a palindrome (396604406693).

The spelling of 213302203381 in words is "two hundred thirteen billion, three hundred two million, two hundred three thousand, three hundred eighty-one".