213413145311 has 4 divisors (see below), whose sum is σ = 213434125632. Its totient is φ = 213392164992.

The previous prime is 213413145289. The next prime is 213413145313. The reversal of 213413145311 is 113541314312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213413145311 - 2⁶ = 213413145247 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 (213413145313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10474895 + ... + 10495248.

It is an arithmetic number, because the mean of its divisors is an integer number (53358531408).

Almost surely, 2^213413145311 is an apocalyptic number.

213413145311 is a deficient number, since it is larger than the sum of its proper divisors (20980321).

213413145311 is a wasteful number, since it uses less digits than its factorization.

213413145311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20980320.

The product of its digits is 4320, while the sum is 29.

Adding to 213413145311 its reverse (113541314312), we get a palindrome (326954459623).

The spelling of 213413145311 in words is "two hundred thirteen billion, four hundred thirteen million, one hundred forty-five thousand, three hundred eleven".