213104311 has 8 divisors (see below), whose sum is σ = 244047744. Its totient is φ = 182285880.

The previous prime is 213104291. The next prime is 213104329. The reversal of 213104311 is 113401312.

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

It is not a de Polignac number, because 213104311 - 2⁹ = 213103799 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 (213104351) 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, 27565 + ... + 34438.

It is an arithmetic number, because the mean of its divisors is an integer number (30505968).

Almost surely, 2^213104311 is an apocalyptic number.

213104311 is a deficient number, since it is larger than the sum of its proper divisors (30943433).

213104311 is an equidigital number, since it uses as much as digits as its factorization.

213104311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62501.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 213104311 is about 14598.0927178861. The cubic root of 213104311 is about 597.3067351108.

Adding to 213104311 its reverse (113401312), we get a palindrome (326505623).

The spelling of 213104311 in words is "two hundred thirteen million, one hundred four thousand, three hundred eleven".