2311021113 has 8 divisors (see below), whose sum is σ = 3090192000. Its totient is φ = 1536265488.

The previous prime is 2311021109. The next prime is 2311021127. The reversal of 2311021113 is 3111201132.

It is a happy number.

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

It is not a de Polignac number, because 2311021113 - 2² = 2311021109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2311021092 and 2311021101.

It is not an unprimeable number, because it can be changed into a prime (2311021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102593 + ... + 1104686.

It is an arithmetic number, because the mean of its divisors is an integer number (386274000).

Almost surely, 2^2311021113 is an apocalyptic number.

It is an amenable number.

2311021113 is a deficient number, since it is larger than the sum of its proper divisors (779170887).

2311021113 is a wasteful number, since it uses less digits than its factorization.

2311021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207631.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2311021113 is about 48073.0809601382. The cubic root of 2311021113 is about 1322.1111596820. Note that the first 4 decimals are identical.

Adding to 2311021113 its reverse (3111201132), we get a palindrome (5422222245).

The spelling of 2311021113 in words is "two billion, three hundred eleven million, twenty-one thousand, one hundred thirteen".