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31130312023130 = 2517335954516071
BaseRepresentation
bin1110001010000000101110…
…01100001001110001011010
311002020000202222011211212012
413011000113030021301122
513040014334334220010
6150113022400345522
76362043103146065
oct705002714116132
9132200688154765
1031130312023130
119a12322631731
1235a931a6152a2
13144a764129a88
14798a024c18dc
1538eb8698a005
hex1c5017309c5a

31130312023130 has 32 divisors (see below), whose sum is σ = 59348376622080. Its totient is φ = 11716157635840.

The previous prime is 31130312023067. The next prime is 31130312023163. The reversal of 31130312023130 is 3132021303113.

It is a junction number, because it is equal to n+sod(n) for n = 31130312023096 and 31130312023105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26687006 + ... + 27829065.

It is an arithmetic number, because the mean of its divisors is an integer number (1854636769440).

Almost surely, 231130312023130 is an apocalyptic number.

31130312023130 is a deficient number, since it is larger than the sum of its proper divisors (28218064598950).

31130312023130 is a wasteful number, since it uses less digits than its factorization.

31130312023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54519454.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31130312023130 its reverse (3132021303113), we get a palindrome (34262333326243).

The spelling of 31130312023130 in words is "thirty-one trillion, one hundred thirty billion, three hundred twelve million, twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 3359 6718 16795 33590 57103 114206 285515 571030 54516071 109032142 272580355 545160710 926773207 1853546414 4633866035 9267732070 183119482489 366238964978 915597412445 1831194824890 3113031202313 6226062404626 15565156011565 31130312023130