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10109431 is a prime number
BaseRepresentation
bin100110100100…
…000111110111
3201000121112101
4212210013313
510042000211
61000402531
7151633363
oct46440767
921017471
1010109431
115785402
123476447
13212c617
1414b22a3
15d4a5c1
hex9a41f7

10109431 has 2 divisors, whose sum is σ = 10109432. Its totient is φ = 10109430.

The previous prime is 10109417. The next prime is 10109453. The reversal of 10109431 is 13490101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13490101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10109431 - 27 = 10109303 is a prime.

It is a super-2 number, since 2×101094312 = 204401190287522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10109399 and 10109408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10109531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054715 + 5054716.

It is an arithmetic number, because the mean of its divisors is an integer number (5054716).

Almost surely, 210109431 is an apocalyptic number.

10109431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10109431 is an equidigital number, since it uses as much as digits as its factorization.

10109431 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 19.

The square root of 10109431 is about 3179.5331418307. The cubic root of 10109431 is about 216.2264928172.

Adding to 10109431 its reverse (13490101), we get a palindrome (23599532).

The spelling of 10109431 in words is "ten million, one hundred nine thousand, four hundred thirty-one".