213001311 has 8 divisors (see below), whose sum is σ = 285908400. Its totient is φ = 141047552.

The previous prime is 213001303. The next prime is 213001363. The reversal of 213001311 is 113100312.

213001311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213001311 - 2³ = 213001303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001511) 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, 237810 + ... + 238703.

It is an arithmetic number, because the mean of its divisors is an integer number (35738550).

Almost surely, 2^213001311 is an apocalyptic number.

213001311 is a deficient number, since it is larger than the sum of its proper divisors (72907089).

213001311 is a wasteful number, since it uses less digits than its factorization.

213001311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476665.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 213001311 is about 14594.5644333772. The cubic root of 213001311 is about 597.2104872404.

Adding to 213001311 its reverse (113100312), we get a palindrome (326101623).

Subtracting from 213001311 its reverse (113100312), we obtain a palindrome (99900999).

It can be divided in two parts, 213001 and 311, that added together give a palindrome (213312).

The spelling of 213001311 in words is "two hundred thirteen million, one thousand, three hundred eleven".