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2103111301 is a prime number
BaseRepresentation
bin111110101011010…
…1110111010000101
312102120101010100011
41331112232322011
513301344030201
6544404550221
7103055102554
oct17526567205
95376333304
102103111301
1198a173715
124a83b2371
1327693a075
1415d459d9b
15c497e151
hex7d5aee85

2103111301 has 2 divisors, whose sum is σ = 2103111302. Its totient is φ = 2103111300.

The previous prime is 2103111289. The next prime is 2103111317. The reversal of 2103111301 is 1031113012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1447802500 + 655308801 = 38050^2 + 25599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2103111301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103111601) 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 as a sum of consecutive naturals, namely, 1051555650 + 1051555651.

It is an arithmetic number, because the mean of its divisors is an integer number (1051555651).

Almost surely, 22103111301 is an apocalyptic number.

It is an amenable number.

2103111301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103111301 is an equidigital number, since it uses as much as digits as its factorization.

2103111301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2103111301 is about 45859.6914621108. The cubic root of 2103111301 is about 1281.2112762883.

Adding to 2103111301 its reverse (1031113012), we get a palindrome (3134224313).

It can be divided in two parts, 2 and 103111301, that multiplied together give a palindrome (206222602).

The spelling of 2103111301 in words is "two billion, one hundred three million, one hundred eleven thousand, three hundred one".