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31014433100 = 22527435710169
BaseRepresentation
bin11100111000100110…
…101011000101001100
32222001110010102222102
4130320212223011030
51002004143324400
622125310534232
72145365221520
oct347046530514
988043112872
1031014433100
11121759256a2
126016807378
132c035b6881
141703071d80
15c17c0b9d5
hex7389ab14c

31014433100 has 72 divisors (see below), whose sum is σ = 76941012960. Its totient is φ = 10630033920.

The previous prime is 31014433097. The next prime is 31014433111. The reversal of 31014433100 is 133441013.

It is a super-2 number, since 2×310144331002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3044816 + ... + 3054984.

It is an arithmetic number, because the mean of its divisors is an integer number (1068625180).

Almost surely, 231014433100 is an apocalyptic number.

It is an amenable number.

31014433100 is an abundant number, since it is smaller than the sum of its proper divisors (45926579860).

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

31014433100 is a wasteful number, since it uses less digits than its factorization.

31014433100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547 (or 14540 counting only the distinct ones).

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

Adding to 31014433100 its reverse (133441013), we get a palindrome (31147874113).

The spelling of 31014433100 in words is "thirty-one billion, fourteen million, four hundred thirty-three thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 4357 8714 10169 17428 20338 21785 30499 40676 43570 50845 60998 71183 87140 101690 108925 121996 142366 152495 203380 217850 254225 284732 304990 355915 435700 508450 609980 711830 762475 1016900 1423660 1524950 1779575 3049900 3559150 7118300 44306333 88612666 177225332 221531665 310144331 443063330 620288662 886126660 1107658325 1240577324 1550721655 2215316650 3101443310 4430633300 6202886620 7753608275 15507216550 31014433100