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231032133210 = 23528127405947
BaseRepresentation
bin1101011100101010010…
…1101001011001011010
3211002100000201101110110
43113022211221121122
512241123211230320
6254045032225150
722456122505404
oct3271245513132
9732300641413
10231032133210
1189a8668618a
123893823b1b6
1318a2b492388
14b27963db74
1560229ca5e0
hex35ca96965a

231032133210 has 32 divisors (see below), whose sum is σ = 556450368192. Its totient is φ = 61389319040.

The previous prime is 231032133203. The next prime is 231032133217. The reversal of 231032133210 is 12331230132.

It is an interprime number because it is at equal distance from previous prime (231032133203) and next prime (231032133217).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231032133217) 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, 13694544 + ... + 13711403.

It is an arithmetic number, because the mean of its divisors is an integer number (17389074006).

Almost surely, 2231032133210 is an apocalyptic number.

231032133210 is an abundant number, since it is smaller than the sum of its proper divisors (325418234982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231032133210 is a wasteful number, since it uses less digits than its factorization.

231032133210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27406238.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231032133210 its reverse (12331230132), we get a palindrome (243363363342).

The spelling of 231032133210 in words is "two hundred thirty-one billion, thirty-two million, one hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 281 562 843 1405 1686 2810 4215 8430 27405947 54811894 82217841 137029735 164435682 274059470 411089205 822178410 7701071107 15402142214 23103213321 38505355535 46206426642 77010711070 115516066605 231032133210