213223301947 has 2 divisors, whose sum is σ = 213223301948. Its totient is φ = 213223301946.

The previous prime is 213223301939. The next prime is 213223301983. The reversal of 213223301947 is 749103322312.

213223301947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213223301947 - 2³ = 213223301939 is a prime.

It is not a weakly prime, because it can be changed into another prime (213223301747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611650973 + 106611650974.

It is an arithmetic number, because the mean of its divisors is an integer number (106611650974).

Almost surely, 2^213223301947 is an apocalyptic number.

213223301947 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223301947 is an equidigital number, since it uses as much as digits as its factorization.

213223301947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 213223301947 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred one thousand, nine hundred forty-seven".