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103031012101 is a prime number
BaseRepresentation
bin101111111110100100…
…0000111101100000101
3100211221102000201012011
41133331020013230011
53142001414341401
6115155400054221
710305130103323
oct1377510075405
9324842021164
10103031012101
113a771358386
1217b74a64371
13993c761824
144db581ad13
152a303a7451
hex17fd207b05

103031012101 has 2 divisors, whose sum is σ = 103031012102. Its totient is φ = 103031012100.

The previous prime is 103031012003. The next prime is 103031012159. The reversal of 103031012101 is 101210130301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78192936900 + 24838075201 = 279630^2 + 157601^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031012101 - 213 = 103031003909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103031012191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515506050 + 51515506051.

It is an arithmetic number, because the mean of its divisors is an integer number (51515506051).

Almost surely, 2103031012101 is an apocalyptic number.

It is an amenable number.

103031012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031012101 is an equidigital number, since it uses as much as digits as its factorization.

103031012101 is an evil number, because the sum of its binary digits is even.

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

Adding to 103031012101 its reverse (101210130301), we get a palindrome (204241142402).

The spelling of 103031012101 in words is "one hundred three billion, thirty-one million, twelve thousand, one hundred one".