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3111213113 = 71157127893
BaseRepresentation
bin1011100101110001…
…0101100000111001
322000211022000001022
42321130111200321
522332432304423
61232420032225
7140045606111
oct27134254071
98024260038
103111213113
111357220508
12729b32675
133a7752b08
142172b6041
15133210dc8
hexb9715839

3111213113 has 8 divisors (see below), whose sum is σ = 3157154496. Its totient is φ = 3065330800.

The previous prime is 3111213101. The next prime is 3111213137. The reversal of 3111213113 is 3113121113.

3111213113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3111213113 - 24 = 3111213097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3111213091 and 3111213100.

It is not an unprimeable number, because it can be changed into a prime (3111213613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97595 + ... + 125487.

It is an arithmetic number, because the mean of its divisors is an integer number (394644312).

Almost surely, 23111213113 is an apocalyptic number.

It is an amenable number.

3111213113 is a deficient number, since it is larger than the sum of its proper divisors (45941383).

3111213113 is a wasteful number, since it uses less digits than its factorization.

3111213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29535.

The product of its digits is 54, while the sum is 17.

The square root of 3111213113 is about 55778.2494615957. The cubic root of 3111213113 is about 1459.8556673796.

Adding to 3111213113 its reverse (3113121113), we get a palindrome (6224334226).

The spelling of 3111213113 in words is "three billion, one hundred eleven million, two hundred thirteen thousand, one hundred thirteen".

Divisors: 1 71 1571 27893 111541 1980403 43819903 3111213113