213230120311 has 16 divisors (see below), whose sum is σ = 232044307488. Its totient is φ = 194761267200.

The previous prime is 213230120291. The next prime is 213230120339. The reversal of 213230120311 is 113021032312.

It is a cyclic number.

It is not a de Polignac number, because 213230120311 - 2⁹ = 213230119799 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 (213230120371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8210016 + ... + 8235946.

It is an arithmetic number, because the mean of its divisors is an integer number (14502769218).

Almost surely, 2^213230120311 is an apocalyptic number.

213230120311 is a deficient number, since it is larger than the sum of its proper divisors (18814187177).

213230120311 is a wasteful number, since it uses less digits than its factorization.

213230120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32562.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213230120311 its reverse (113021032312), we get a palindrome (326251152623).

The spelling of 213230120311 in words is "two hundred thirteen billion, two hundred thirty million, one hundred twenty thousand, three hundred eleven".