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3031201123 is a prime number
BaseRepresentation
bin1011010010101100…
…0111010101100011
321211020201222020021
42310223013111203
522201441413443
61220441054311
7135054533026
oct26453072543
97736658207
103031201123
1113160412a5
12707187397
13393cba142
1420a8091bd
1512b1a89ed
hexb4ac7563

3031201123 has 2 divisors, whose sum is σ = 3031201124. Its totient is φ = 3031201122.

The previous prime is 3031201109. The next prime is 3031201139. The reversal of 3031201123 is 3211021303.

It is an a-pointer prime, because the next prime (3031201139) can be obtained adding 3031201123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3031201123 is a prime.

It is a super-2 number, since 2×30312011232 = 18376360496152922258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3031201097 and 3031201106.

It is not a weakly prime, because it can be changed into another prime (3031201153) 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 as a sum of consecutive naturals, namely, 1515600561 + 1515600562.

It is an arithmetic number, because the mean of its divisors is an integer number (1515600562).

Almost surely, 23031201123 is an apocalyptic number.

3031201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031201123 is an equidigital number, since it uses as much as digits as its factorization.

3031201123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3031201123 is about 55056.3449840252. The cubic root of 3031201123 is about 1447.2323143617.

Adding to 3031201123 its reverse (3211021303), we get a palindrome (6242222426).

The spelling of 3031201123 in words is "three billion, thirty-one million, two hundred one thousand, one hundred twenty-three".