213113030087 has 2 divisors, whose sum is σ = 213113030088. Its totient is φ = 213113030086.

The previous prime is 213113030069. The next prime is 213113030129. The reversal of 213113030087 is 780030311312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213113030087 - 2¹² = 213113025991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213113030287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556515043 + 106556515044.

It is an arithmetic number, because the mean of its divisors is an integer number (106556515044).

Almost surely, 2^213113030087 is an apocalyptic number.

213113030087 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113030087 is an equidigital number, since it uses as much as digits as its factorization.

213113030087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 213113030087 its reverse (780030311312), we get a palindrome (993143341399).

The spelling of 213113030087 in words is "two hundred thirteen billion, one hundred thirteen million, thirty thousand, eighty-seven".