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31361441326087 is a prime number
BaseRepresentation
bin1110010000101111001111…
…00100011110010000000111
311010001010100202201222011011
413020113213210132100013
513102311212434413322
6150411125223423051
76414534515621305
oct710274744362007
9133033322658134
1031361441326087
119aa1349045994
1236260832b4a87
1314664a9781632
147a5c8a9b7275
15395bb2c5b677
hex1c85e791e407

31361441326087 has 2 divisors, whose sum is σ = 31361441326088. Its totient is φ = 31361441326086.

The previous prime is 31361441326073. The next prime is 31361441326147. The reversal of 31361441326087 is 78062314416313.

It is a weak prime.

It is an emirp because it is prime and its reverse (78062314416313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31361441326087 - 211 = 31361441324039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31361441326087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31361441326027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15680720663043 + 15680720663044.

It is an arithmetic number, because the mean of its divisors is an integer number (15680720663044).

Almost surely, 231361441326087 is an apocalyptic number.

31361441326087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31361441326087 is an equidigital number, since it uses as much as digits as its factorization.

31361441326087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 31361441326087 in words is "thirty-one trillion, three hundred sixty-one billion, four hundred forty-one million, three hundred twenty-six thousand, eighty-seven".