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10118831 is a prime number
BaseRepresentation
bin100110100110…
…011010101111
3201001002102112
4212212122233
510042300311
61000514235
7152002652
oct46463257
921032375
1010118831
115791478
12347b97b
132133998
1414b5899
15d4d28b
hex9a66af

10118831 has 2 divisors, whose sum is σ = 10118832. Its totient is φ = 10118830.

The previous prime is 10118753. The next prime is 10118837. The reversal of 10118831 is 13881101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10118831 is a prime.

It is a super-2 number, since 2×101188312 = 204781481613122, 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 = 10118797 and 10118806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10118837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5059415 + 5059416.

It is an arithmetic number, because the mean of its divisors is an integer number (5059416).

Almost surely, 210118831 is an apocalyptic number.

10118831 is a deficient number, since it is larger than the sum of its proper divisors (1).

10118831 is an equidigital number, since it uses as much as digits as its factorization.

10118831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 10118831 is about 3181.0110028103. The cubic root of 10118831 is about 216.2934896439.

Adding to 10118831 its reverse (13881101), we get a palindrome (23999932).

The spelling of 10118831 in words is "ten million, one hundred eighteen thousand, eight hundred thirty-one".