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10031117 is a prime number
BaseRepresentation
bin100110010001…
…000000001101
3200212122002212
4212101000031
510031443432
6555000205
7151156145
oct46210015
920778085
1010031117
115731588
123439065
132102a95
141491925
15d322b2
hex99100d

10031117 has 2 divisors, whose sum is σ = 10031118. Its totient is φ = 10031116.

The previous prime is 10031113. The next prime is 10031137. The reversal of 10031117 is 71113001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7295401 + 2735716 = 2701^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031117 - 22 = 10031113 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015558 + 5015559.

It is an arithmetic number, because the mean of its divisors is an integer number (5015559).

Almost surely, 210031117 is an apocalyptic number.

It is an amenable number.

10031117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031117 is an equidigital number, since it uses as much as digits as its factorization.

10031117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 10031117 is about 3167.1938683952. The cubic root of 10031117 is about 215.6667027651. Note that the first 3 decimals are identical.

Adding to 10031117 its reverse (71113001), we get a palindrome (81144118).

The spelling of 10031117 in words is "ten million, thirty-one thousand, one hundred seventeen".