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10031317 is a prime number
BaseRepresentation
bin100110010001…
…000011010101
3200212122101021
4212101003111
510032000232
6555001141
7151156552
oct46210325
920778337
1010031317
11573174a
1234391b1
132102bba
141491a29
15d32397
hex9910d5

10031317 has 2 divisors, whose sum is σ = 10031318. Its totient is φ = 10031316.

The previous prime is 10031299. The next prime is 10031323. The reversal of 10031317 is 71313001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9492561 + 538756 = 3081^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 10031317 - 223 = 1642709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10031317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10031327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015658 + 5015659.

It is an arithmetic number, because the mean of its divisors is an integer number (5015659).

Almost surely, 210031317 is an apocalyptic number.

It is an amenable number.

10031317 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031317 is an equidigital number, since it uses as much as digits as its factorization.

10031317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 10031317 is about 3167.2254419286. The cubic root of 10031317 is about 215.6681360735.

Adding to 10031317 its reverse (71313001), we get a palindrome (81344318).

The spelling of 10031317 in words is "ten million, thirty-one thousand, three hundred seventeen".