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231010133033 = 37337101318289
BaseRepresentation
bin1101011100100101000…
…1101110010000101001
3211002021111022122220002
43113021101232100221
512241102043224113
6254042524512345
722455434506061
oct3271121562051
9732244278802
10231010133033
1189a7521a119
12389309ab6b5
1318a26a5b714
14b2767543a1
156020ad1c58
hex35c946e429

231010133033 has 16 divisors (see below), whose sum is σ = 238205594640. Its totient is φ = 223866187776.

The previous prime is 231010133023. The next prime is 231010133051. The reversal of 231010133033 is 330331010132.

It can be written as a sum of positive squares in 8 ways, for example, as 1158925849 + 229851207184 = 34043^2 + 479428^2 .

It is a cyclic number.

It is not a de Polignac number, because 231010133033 - 222 = 231005938729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231010132996 and 231010133014.

It is not an unprimeable number, because it can be changed into a prime (231010133023) 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, 12621953 + ... + 12640241.

It is an arithmetic number, because the mean of its divisors is an integer number (14887849665).

Almost surely, 2231010133033 is an apocalyptic number.

It is an amenable number.

231010133033 is a deficient number, since it is larger than the sum of its proper divisors (7195461607).

231010133033 is a wasteful number, since it uses less digits than its factorization.

231010133033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19676.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 231010133033 its reverse (330331010132), we get a palindrome (561341143165).

The spelling of 231010133033 in words is "two hundred thirty-one billion, ten million, one hundred thirty-three thousand, thirty-three".

Divisors: 1 37 337 1013 12469 18289 37481 341381 676693 6163393 12631097 18526757 228045541 685490009 6243517109 231010133033