2162319011 has 4 divisors (see below), whose sum is σ = 2162470224. Its totient is φ = 2162167800.

The previous prime is 2162319007. The next prime is 2162319013. The reversal of 2162319011 is 1109132612.

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 2162319011 - 2² = 2162319007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162319013) 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, 51620 + ... + 83601.

It is an arithmetic number, because the mean of its divisors is an integer number (540617556).

Almost surely, 2^2162319011 is an apocalyptic number.

2162319011 is a deficient number, since it is larger than the sum of its proper divisors (151213).

2162319011 is a wasteful number, since it uses less digits than its factorization.

2162319011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151212.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2162319011 is about 46500.7420478426. The cubic root of 2162319011 is about 1293.1232557622.

The spelling of 2162319011 in words is "two billion, one hundred sixty-two million, three hundred nineteen thousand, eleven".