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3113242111 = 7444748873
BaseRepresentation
bin1011100110010000…
…0100110111111111
322000222010002022101
42321210010313333
522333442221421
61232531325531
7140102056420
oct27144046777
98028102271
103113242111
111358386971
1272a7508a7
133a7cb34c5
14217683647
151334b2191
hexb9904dff

3113242111 has 4 divisors (see below), whose sum is σ = 3557990992. Its totient is φ = 2668493232.

The previous prime is 3113242043. The next prime is 3113242157. The reversal of 3113242111 is 1112423113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1112423113 = 5871895099.

It is a cyclic number.

It is not a de Polignac number, because 3113242111 - 211 = 3113240063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113242411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222374430 + ... + 222374443.

It is an arithmetic number, because the mean of its divisors is an integer number (889497748).

Almost surely, 23113242111 is an apocalyptic number.

3113242111 is a deficient number, since it is larger than the sum of its proper divisors (444748881).

3113242111 is an equidigital number, since it uses as much as digits as its factorization.

3113242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444748880.

The product of its digits is 144, while the sum is 19.

The square root of 3113242111 is about 55796.4345724707. The cubic root of 3113242111 is about 1460.1729498939.

Adding to 3113242111 its reverse (1112423113), we get a palindrome (4225665224).

The spelling of 3113242111 in words is "three billion, one hundred thirteen million, two hundred forty-two thousand, one hundred eleven".

Divisors: 1 7 444748873 3113242111