213023231013139 has 2 divisors, whose sum is σ = 213023231013140. Its totient is φ = 213023231013138.

The previous prime is 213023231013017. The next prime is 213023231013161. The reversal of 213023231013139 is 931310132320312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213023231013139 - 2¹¹ = 213023231011091 is a prime.

It is not a weakly prime, because it can be changed into another prime (213023231013239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106511615506569 + 106511615506570.

It is an arithmetic number, because the mean of its divisors is an integer number (106511615506570).

Almost surely, 2^{213023231013139} is an apocalyptic number.

213023231013139 is a deficient number, since it is larger than the sum of its proper divisors (1).

213023231013139 is an equidigital number, since it uses as much as digits as its factorization.

213023231013139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 213023231013139 in words is "two hundred thirteen trillion, twenty-three billion, two hundred thirty-one million, thirteen thousand, one hundred thirty-nine".