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231013321130 = 25171939170079
BaseRepresentation
bin1101011100100101110…
…1111000100110101010
3211002021201022122010202
43113021131320212222
512241103402234010
6254043121112202
722455503554604
oct3271135704652
9732251278122
10231013321130
1189a76aa7409
1238931a88662
1318a27606877
14b276d44174
1560210116a5
hex35c97789aa

231013321130 has 32 divisors (see below), whose sum is σ = 440313200640. Its totient is φ = 86963994880.

The previous prime is 231013321001. The next prime is 231013321153. The reversal of 231013321130 is 31123310132.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3261431 + ... + 3331509.

It is an arithmetic number, because the mean of its divisors is an integer number (13759787520).

Almost surely, 2231013321130 is an apocalyptic number.

231013321130 is a deficient number, since it is larger than the sum of its proper divisors (209299879510).

231013321130 is a wasteful number, since it uses less digits than its factorization.

231013321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89494.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231013321130 its reverse (31123310132), we get a palindrome (262136631262).

The spelling of 231013321130 in words is "two hundred thirty-one billion, thirteen million, three hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 19391 38782 70079 96955 140158 193910 329647 350395 659294 700790 1191343 1648235 2382686 3296470 5956715 11913430 1358901889 2717803778 6794509445 13589018890 23101332113 46202664226 115506660565 231013321130