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10103013131 is a prime number
BaseRepresentation
bin10010110100010111…
…11011111100001011
3222002002121020120112
421122023323330023
5131142332410011
64350302344535
7505235123531
oct113213737413
928062536515
1010103013131
114314984332
121b5b58b14b
13c501475a3
146bbada151
153e1e5a58b
hex25a2fbf0b

10103013131 has 2 divisors, whose sum is σ = 10103013132. Its totient is φ = 10103013130.

The previous prime is 10103013121. The next prime is 10103013139. The reversal of 10103013131 is 13131030101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10103013131 is a prime.

It is a super-2 number, since 2×101030131312 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10103013139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051506565 + 5051506566.

It is an arithmetic number, because the mean of its divisors is an integer number (5051506566).

Almost surely, 210103013131 is an apocalyptic number.

10103013131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103013131 is an equidigital number, since it uses as much as digits as its factorization.

10103013131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 10103013131 its reverse (13131030101), we get a palindrome (23234043232).

The spelling of 10103013131 in words is "ten billion, one hundred three million, thirteen thousand, one hundred thirty-one".