213113321033233 has 2 divisors, whose sum is σ = 213113321033234. Its totient is φ = 213113321033232.

The previous prime is 213113321033153. The next prime is 213113321033303. The reversal of 213113321033233 is 332330123311312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196306215508624 + 16807105524609 = 14010932^2 + 4099647^2 .

It is a cyclic number.

It is not a de Polignac number, because 213113321033233 - 2⁴¹ = 210914297777681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213113321033195 and 213113321033204.

It is not a weakly prime, because it can be changed into another prime (213113321039233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556660516616 + 106556660516617.

It is an arithmetic number, because the mean of its divisors is an integer number (106556660516617).

Almost surely, 2^{213113321033233} is an apocalyptic number.

It is an amenable number.

213113321033233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113321033233 is an equidigital number, since it uses as much as digits as its factorization.

213113321033233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 213113321033233 its reverse (332330123311312), we get a palindrome (545443444344545).

The spelling of 213113321033233 in words is "two hundred thirteen trillion, one hundred thirteen billion, three hundred twenty-one million, thirty-three thousand, two hundred thirty-three".