213113030101 has 8 divisors (see below), whose sum is σ = 215337187800. Its totient is φ = 210891110400.

The previous prime is 213113030087. The next prime is 213113030129. The reversal of 213113030101 is 101030311312.

It can be written as a sum of positive squares in 4 ways, for example, as 81296835876 + 131816194225 = 285126^2 + 363065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213113030101 - 2⁵ = 213113030069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113030161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367716 + ... + 749293.

It is an arithmetic number, because the mean of its divisors is an integer number (26917148475).

Almost surely, 2^213113030101 is an apocalyptic number.

It is an amenable number.

213113030101 is a deficient number, since it is larger than the sum of its proper divisors (2224157699).

213113030101 is a wasteful number, since it uses less digits than its factorization.

213113030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118999.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 213113030101 its reverse (101030311312), we get a palindrome (314143341413).

The spelling of 213113030101 in words is "two hundred thirteen billion, one hundred thirteen million, thirty thousand, one hundred one".