213135201 has 6 divisors (see below), whose sum is σ = 307861970. Its totient is φ = 142090128.

The previous prime is 213135191. The next prime is 213135211. The reversal of 213135201 is 102531312.

213135201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213135191) and next prime (213135211).

It can be written as a sum of positive squares in only one way, i.e., 193766400 + 19368801 = 13920^2 + 4401^2 .

It is not a de Polignac number, because 213135201 - 2⁷ = 213135073 is a prime.

It is a super-2 number, since 2×213135201² = 90853227810620802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213135211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11840836 + ... + 11840853.

Almost surely, 2^213135201 is an apocalyptic number.

It is an amenable number.

213135201 is a deficient number, since it is larger than the sum of its proper divisors (94726769).

213135201 is a wasteful number, since it uses less digits than its factorization.

213135201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23681695 (or 23681692 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 213135201 is about 14599.1506944753. The cubic root of 213135201 is about 597.3355940822.

Adding to 213135201 its reverse (102531312), we get a palindrome (315666513).

The spelling of 213135201 in words is "two hundred thirteen million, one hundred thirty-five thousand, two hundred one".