211130323433 has 2 divisors, whose sum is σ = 211130323434. Its totient is φ = 211130323432.

The previous prime is 211130323399. The next prime is 211130323501. The reversal of 211130323433 is 334323031112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140165625769 + 70964697664 = 374387^2 + 266392^2 .

It is a cyclic number.

It is not a de Polignac number, because 211130323433 - 2⁸ = 211130323177 is a prime.

It is not a weakly prime, because it can be changed into another prime (211130323933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565161716 + 105565161717.

It is an arithmetic number, because the mean of its divisors is an integer number (105565161717).

Almost surely, 2^211130323433 is an apocalyptic number.

It is an amenable number.

211130323433 is a deficient number, since it is larger than the sum of its proper divisors (1).

211130323433 is an equidigital number, since it uses as much as digits as its factorization.

211130323433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 211130323433 its reverse (334323031112), we get a palindrome (545453354545).

The spelling of 211130323433 in words is "two hundred eleven billion, one hundred thirty million, three hundred twenty-three thousand, four hundred thirty-three".