213023100187 has 2 divisors, whose sum is σ = 213023100188. Its totient is φ = 213023100186.

The previous prime is 213023100167. The next prime is 213023100259. The reversal of 213023100187 is 781001320312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213023100187 - 2¹¹ = 213023098139 is a prime.

It is not a weakly prime, because it can be changed into another prime (213023100167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106511550093 + 106511550094.

It is an arithmetic number, because the mean of its divisors is an integer number (106511550094).

Almost surely, 2^213023100187 is an apocalyptic number.

213023100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

213023100187 is an equidigital number, since it uses as much as digits as its factorization.

213023100187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 213023100187 its reverse (781001320312), we get a palindrome (994024420499).

The spelling of 213023100187 in words is "two hundred thirteen billion, twenty-three million, one hundred thousand, one hundred eighty-seven".