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3013112021 is a prime number
BaseRepresentation
bin1011001110011000…
…0111000011010101
321202222200221122112
42303212013003111
522132324041041
61214553240405
7134445013103
oct26346070325
97688627575
103013112021
111306906727
12701103105
1339032572a
1420825ac73
151297d3deb
hexb39870d5

3013112021 has 2 divisors, whose sum is σ = 3013112022. Its totient is φ = 3013112020.

The previous prime is 3013112009. The next prime is 3013112023. The reversal of 3013112021 is 1202113103.

3013112021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2062068100 + 951043921 = 45410^2 + 30839^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013112021 - 214 = 3013095637 is a prime.

Together with 3013112023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3013111987 and 3013112005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3013112023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506556010 + 1506556011.

It is an arithmetic number, because the mean of its divisors is an integer number (1506556011).

Almost surely, 23013112021 is an apocalyptic number.

It is an amenable number.

3013112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3013112021 is an equidigital number, since it uses as much as digits as its factorization.

3013112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3013112021 is about 54891.8210756393. The cubic root of 3013112021 is about 1444.3477172373.

Adding to 3013112021 its reverse (1202113103), we get a palindrome (4215225124).

The spelling of 3013112021 in words is "three billion, thirteen million, one hundred twelve thousand, twenty-one".