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320131130 = 251143531277
BaseRepresentation
bin10011000101001…
…101000000111010
3211022101100100112
4103011031000322
51123423144010
651433304322
710635032624
oct2305150072
9738340315
10320131130
11154784290
128b2650a2
1351428b07
1430733c14
151d188a05
hex1314d03a

320131130 has 64 divisors (see below), whose sum is σ = 655890048. Its totient is φ = 111471360.

The previous prime is 320131129. The next prime is 320131139. The reversal of 320131130 is 31131023.

It is not an unprimeable number, because it can be changed into a prime (320131139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250052 + ... + 251328.

It is an arithmetic number, because the mean of its divisors is an integer number (10248282).

Almost surely, 2320131130 is an apocalyptic number.

320131130 is an abundant number, since it is smaller than the sum of its proper divisors (335758918).

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

320131130 is a wasteful number, since it uses less digits than its factorization.

320131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 320131130 is about 17892.2086395168. The cubic root of 320131130 is about 684.0837947226.

Adding to 320131130 its reverse (31131023), we get a palindrome (351262153).

The spelling of 320131130 in words is "three hundred twenty million, one hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 43 53 55 86 106 110 215 265 430 473 530 583 946 1166 1277 2279 2365 2554 2915 4558 4730 5830 6385 11395 12770 14047 22790 25069 28094 50138 54911 67681 70235 109822 125345 135362 140470 250690 274555 338405 549110 604021 676810 744491 1208042 1488982 2910283 3020105 3722455 5820566 6040210 7444910 14551415 29102830 32013113 64026226 160065565 320131130