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404312231041237 is a prime number
BaseRepresentation
bin101101111101110000100011…
…0111010001101100011010101
31222000112212112112202010011101
41123323201012322031203111
5410443222422121304422
63551522250315510101
7151106410664665351
oct13373410672154325
91860485475663141
10404312231041237
1110790a94402a902
123941a504158331
131447a631141a9c
1471bab6028a461
1531b2150454c27
hex16fb846e8d8d5

404312231041237 has 2 divisors, whose sum is σ = 404312231041238. Its totient is φ = 404312231041236.

The previous prime is 404312231041207. The next prime is 404312231041273. The reversal of 404312231041237 is 732140132213404.

It is a happy number.

Together with next prime (404312231041273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299731624192081 + 104580606849156 = 17312759^2 + 10226466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404312231041237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404312231041196 and 404312231041205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404312231041207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202156115520618 + 202156115520619.

It is an arithmetic number, because the mean of its divisors is an integer number (202156115520619).

Almost surely, 2404312231041237 is an apocalyptic number.

It is an amenable number.

404312231041237 is a deficient number, since it is larger than the sum of its proper divisors (1).

404312231041237 is an equidigital number, since it uses as much as digits as its factorization.

404312231041237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 404312231041237 in words is "four hundred four trillion, three hundred twelve billion, two hundred thirty-one million, forty-one thousand, two hundred thirty-seven".