213031102279 has 2 divisors, whose sum is σ = 213031102280. Its totient is φ = 213031102278.

The previous prime is 213031102217. The next prime is 213031102303. The reversal of 213031102279 is 972201130312.

213031102279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213031102279 - 2¹¹ = 213031100231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213031102279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213031102979) 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, 106515551139 + 106515551140.

It is an arithmetic number, because the mean of its divisors is an integer number (106515551140).

Almost surely, 2^213031102279 is an apocalyptic number.

213031102279 is a deficient number, since it is larger than the sum of its proper divisors (1).

213031102279 is an equidigital number, since it uses as much as digits as its factorization.

213031102279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 213031102279 in words is "two hundred thirteen billion, thirty-one million, one hundred two thousand, two hundred seventy-nine".