213130323079 has 2 divisors, whose sum is σ = 213130323080. Its totient is φ = 213130323078.

The previous prime is 213130323013. The next prime is 213130323143. The reversal of 213130323079 is 970323031312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213130323079 - 2²¹ = 213128225927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213130323179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565161539 + 106565161540.

It is an arithmetic number, because the mean of its divisors is an integer number (106565161540).

Almost surely, 2^213130323079 is an apocalyptic number.

213130323079 is a deficient number, since it is larger than the sum of its proper divisors (1).

213130323079 is an equidigital number, since it uses as much as digits as its factorization.

213130323079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 213130323079 in words is "two hundred thirteen billion, one hundred thirty million, three hundred twenty-three thousand, seventy-nine".