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231533352532201 is a prime number
BaseRepresentation
bin110100101001010000001111…
…001110110011100011101001
31010100210101001102122010202111
4310221100033032303203221
5220321420301222012301
62140232542003002321
766524506213335556
oct6451201716634351
91110711042563674
10231533352532201
116785681a495895
1221b7486b3693a1
139c26669922985
1441263ba017a2d
151bb7aa9319551
hexd2940f3b38e9

231533352532201 has 2 divisors, whose sum is σ = 231533352532202. Its totient is φ = 231533352532200.

The previous prime is 231533352532151. The next prime is 231533352532243. The reversal of 231533352532201 is 102235253335132.

231533352532201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226033033016025 + 5500319516176 = 15034395^2 + 2345276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231533352532201 is a prime.

It is not a weakly prime, because it can be changed into another prime (231533352532271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115766676266100 + 115766676266101.

It is an arithmetic number, because the mean of its divisors is an integer number (115766676266101).

Almost surely, 2231533352532201 is an apocalyptic number.

It is an amenable number.

231533352532201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231533352532201 is an equidigital number, since it uses as much as digits as its factorization.

231533352532201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 40.

The spelling of 231533352532201 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, three hundred fifty-two million, five hundred thirty-two thousand, two hundred one".