213214481951 has 2 divisors, whose sum is σ = 213214481952. Its totient is φ = 213214481950.

The previous prime is 213214481939. The next prime is 213214482011. The reversal of 213214481951 is 159184412312.

213214481951 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 213214481951 - 2³⁰ = 212140740127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213214481899 and 213214481908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213214481351) 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, 106607240975 + 106607240976.

It is an arithmetic number, because the mean of its divisors is an integer number (106607240976).

Almost surely, 2^213214481951 is an apocalyptic number.

213214481951 is a deficient number, since it is larger than the sum of its proper divisors (1).

213214481951 is an equidigital number, since it uses as much as digits as its factorization.

213214481951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The spelling of 213214481951 in words is "two hundred thirteen billion, two hundred fourteen million, four hundred eighty-one thousand, nine hundred fifty-one".