2102160311 has 4 divisors (see below), whose sum is σ = 2102298000. Its totient is φ = 2102022624.

The previous prime is 2102160293. The next prime is 2102160317. The reversal of 2102160311 is 1130612012.

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 2102160311 - 2¹⁰ = 2102159287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102160311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102160317) 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, 42611 + ... + 77588.

It is an arithmetic number, because the mean of its divisors is an integer number (525574500).

Almost surely, 2^2102160311 is an apocalyptic number.

2102160311 is a deficient number, since it is larger than the sum of its proper divisors (137689).

2102160311 is a wasteful number, since it uses less digits than its factorization.

2102160311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137688.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2102160311 is about 45849.3218161403. The cubic root of 2102160311 is about 1281.0181334264.

Adding to 2102160311 its reverse (1130612012), we get a palindrome (3232772323).

The spelling of 2102160311 in words is "two billion, one hundred two million, one hundred sixty thousand, three hundred eleven".