2086831113 has 4 divisors (see below), whose sum is σ = 2782441488. Its totient is φ = 1391220740.

The previous prime is 2086831093. The next prime is 2086831127. The reversal of 2086831113 is 3111386802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2086831113 - 2⁹ = 2086830601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2086831163) 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, 347805183 + ... + 347805188.

It is an arithmetic number, because the mean of its divisors is an integer number (695610372).

Almost surely, 2^2086831113 is an apocalyptic number.

It is an amenable number.

2086831113 is a deficient number, since it is larger than the sum of its proper divisors (695610375).

2086831113 is an equidigital number, since it uses as much as digits as its factorization.

2086831113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695610374.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2086831113 is about 45681.8466461241. The cubic root of 2086831113 is about 1277.8967560925.

The spelling of 2086831113 in words is "two billion, eighty-six million, eight hundred thirty-one thousand, one hundred thirteen".