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231836115062957 is a prime number
BaseRepresentation
bin110100101101101010001101…
…010010001101000010101101
31010101212022112110202021021112
4310231222031102031002231
5220341400330424003312
62141024012502441405
766555415024361606
oct6455521522150255
91111768473667245
10231836115062957
1167963164aa8359
1222003485a33265
139c49089b8cb62
144136cdbdc8dad
151bc08c92b0d22
hexd2da8d48d0ad

231836115062957 has 2 divisors, whose sum is σ = 231836115062958. Its totient is φ = 231836115062956.

The previous prime is 231836115062771. The next prime is 231836115062977. The reversal of 231836115062957 is 759260511638132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160526011252996 + 71310103809961 = 12669886^2 + 8444531^2 .

It is a cyclic number.

It is not a de Polignac number, because 231836115062957 - 210 = 231836115061933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231836115062896 and 231836115062905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231836115062977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115918057531478 + 115918057531479.

It is an arithmetic number, because the mean of its divisors is an integer number (115918057531479).

Almost surely, 2231836115062957 is an apocalyptic number.

It is an amenable number.

231836115062957 is a deficient number, since it is larger than the sum of its proper divisors (1).

231836115062957 is an equidigital number, since it uses as much as digits as its factorization.

231836115062957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 231836115062957 in words is "two hundred thirty-one trillion, eight hundred thirty-six billion, one hundred fifteen million, sixty-two thousand, nine hundred fifty-seven".