2106305311 has 4 divisors (see below), whose sum is σ = 2297787624. Its totient is φ = 1914823000.

The previous prime is 2106305303. The next prime is 2106305317. The reversal of 2106305311 is 1135036012.

It is a happy number.

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 2106305311 - 2³ = 2106305303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106305317) 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, 95741140 + ... + 95741161.

It is an arithmetic number, because the mean of its divisors is an integer number (574446906).

Almost surely, 2^2106305311 is an apocalyptic number.

2106305311 is a deficient number, since it is larger than the sum of its proper divisors (191482313).

2106305311 is a wasteful number, since it uses less digits than its factorization.

2106305311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191482312.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2106305311 is about 45894.5019691902. The cubic root of 2106305311 is about 1281.8595430973.

The spelling of 2106305311 in words is "two billion, one hundred six million, three hundred five thousand, three hundred eleven".