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361131317 is a prime number
BaseRepresentation
bin10101100001100…
…110110100110101
3221011112101000222
4111201212310311
51214422200232
655500144125
711643364661
oct2541466465
9834471028
10361131317
11175938338
12a0b38045
1359a82991
1435d678a1
1521a86d12
hex15866d35

361131317 has 2 divisors, whose sum is σ = 361131318. Its totient is φ = 361131316.

The previous prime is 361131311. The next prime is 361131343. The reversal of 361131317 is 713131163.

It is an a-pointer prime, because the next prime (361131343) can be obtained adding 361131317 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264030001 + 97101316 = 16249^2 + 9854^2 .

It is a cyclic number.

It is not a de Polignac number, because 361131317 - 210 = 361130293 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 (361131311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180565658 + 180565659.

It is an arithmetic number, because the mean of its divisors is an integer number (180565659).

Almost surely, 2361131317 is an apocalyptic number.

It is an amenable number.

361131317 is a deficient number, since it is larger than the sum of its proper divisors (1).

361131317 is an equidigital number, since it uses as much as digits as its factorization.

361131317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 26.

The square root of 361131317 is about 19003.4553963220. The cubic root of 361131317 is about 712.1230620147.

The spelling of 361131317 in words is "three hundred sixty-one million, one hundred thirty-one thousand, three hundred seventeen".