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231024031130 = 25171358964889
BaseRepresentation
bin1101011100101000011…
…0101111010110011010
3211002022110110202111102
43113022012233112122
512241114122444010
6254044142431402
722455663602234
oct3271206572632
9732273422442
10231024031130
1189a82051a52
1238935592562
1318a298b6649
14b278531254
156021e29ba5
hex35ca1af59a

231024031130 has 16 divisors (see below), whose sum is σ = 440304624360. Its totient is φ = 86973752832.

The previous prime is 231024031123. The next prime is 231024031157. The reversal of 231024031130 is 31130420132.

It can be written as a sum of positive squares in 4 ways, for example, as 134416823641 + 96607207489 = 366629^2 + 310817^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679482275 + ... + 679482614.

Almost surely, 2231024031130 is an apocalyptic number.

231024031130 is a deficient number, since it is larger than the sum of its proper divisors (209280593230).

231024031130 is a wasteful number, since it uses less digits than its factorization.

231024031130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358964913.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231024031130 its reverse (31130420132), we get a palindrome (262154451262).

The spelling of 231024031130 in words is "two hundred thirty-one billion, twenty-four million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 1358964889 2717929778 6794824445 13589648890 23102403113 46204806226 115512015565 231024031130