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113131112130 = 23351669251051
BaseRepresentation
bin110100101011100100…
…0111100011011000010
3101211000022010221202000
41221113020330123002
53323143031042010
6123545520204430
711113331405151
oct1512710743302
9354008127660
10113131112130
1143a84621a93
1219b13469716
13a88c0c918a
145692d99598
152e21e397c0
hex1a5723c6c2

113131112130 has 64 divisors (see below), whose sum is σ = 301864924800. Its totient is φ = 30150100800.

The previous prime is 113131112111. The next prime is 113131112167. The reversal of 113131112130 is 31211131311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325105 + ... + 576155.

It is an arithmetic number, because the mean of its divisors is an integer number (4716639450).

Almost surely, 2113131112130 is an apocalyptic number.

113131112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113131112130 is an abundant number, since it is smaller than the sum of its proper divisors (188733812670).

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

113131112130 is a wasteful number, since it uses less digits than its factorization.

113131112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252736 (or 252730 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113131112130 its reverse (31211131311), we get a palindrome (144342243441).

The spelling of 113131112130 in words is "one hundred thirteen billion, one hundred thirty-one million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1669 3338 5007 8345 10014 15021 16690 25035 30042 45063 50070 75105 90126 150210 225315 251051 450630 502102 753153 1255255 1506306 2259459 2510510 3765765 4518918 6778377 7531530 11297295 13556754 22594590 33891885 67783770 419004119 838008238 1257012357 2095020595 2514024714 3771037071 4190041190 6285061785 7542074142 11313111213 12570123570 18855185355 22626222426 37710370710 56565556065 113131112130