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130031011 = 111743103157
BaseRepresentation
bin1111100000000…
…01110110100011
3100001200021000101
413300001312203
5231241443021
620523003231
73136150105
oct760016643
9301607011
10130031011
1167443250
1237669517
1320c29936
14133ab575
15b637a91
hex7c01da3

130031011 has 32 divisors (see below), whose sum is σ = 156169728. Its totient is φ = 106928640.

The previous prime is 130030991. The next prime is 130031017. The reversal of 130031011 is 110130031.

It is not a de Polignac number, because 130031011 - 27 = 130030883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130031017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828145 + ... + 828301.

It is an arithmetic number, because the mean of its divisors is an integer number (4880304).

Almost surely, 2130031011 is an apocalyptic number.

130031011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130031011 is a deficient number, since it is larger than the sum of its proper divisors (26138717).

130031011 is a wasteful number, since it uses less digits than its factorization.

130031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 130031011 is about 11403.1140922118. The cubic root of 130031011 is about 506.6199795874.

Adding to 130031011 its reverse (110130031), we get a palindrome (240161042).

The spelling of 130031011 in words is "one hundred thirty million, thirty-one thousand, eleven".

Divisors: 1 11 17 43 103 157 187 473 731 1133 1727 1751 2669 4429 6751 8041 16171 19261 29359 48719 74261 75293 114767 177881 274907 695353 828223 1262437 3023977 7648883 11821001 130031011