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231323742201 = 31741591090589
BaseRepresentation
bin1101011101101111111…
…0000010111111111001
3211010002100102122210110
43113123332002333321
512242222334222301
6254134010334533
722466263236366
oct3273376027771
9733070378713
10231323742201
118a116249352
12389b9a2a449
1318a76a12a86
14b2a626b46d
15603d3cd0d6
hex35dbf82ff9

231323742201 has 16 divisors (see below), whose sum is σ = 326653516800. Its totient is φ = 145109276928.

The previous prime is 231323742197. The next prime is 231323742217. The reversal of 231323742201 is 102247323132.

It is not a de Polignac number, because 231323742201 - 22 = 231323742197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231323742281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333186 + ... + 757403.

It is an arithmetic number, because the mean of its divisors is an integer number (20415844800).

Almost surely, 2231323742201 is an apocalyptic number.

It is an amenable number.

231323742201 is a deficient number, since it is larger than the sum of its proper divisors (95329774599).

231323742201 is a wasteful number, since it uses less digits than its factorization.

231323742201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094768.

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 231323742201 in words is "two hundred thirty-one billion, three hundred twenty-three million, seven hundred forty-two thousand, two hundred one".

Divisors: 1 3 17 51 4159 12477 70703 212109 1090589 3271767 18540013 55620039 4535759651 13607278953 77107914067 231323742201