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31023133030122 = 2343958720064659
BaseRepresentation
bin1110000110111001000101…
…10100101111011011101010
311001211210010110222212120120
413003130202310233123222
513031240334023430442
6145551455222504110
76351230104555602
oct703344264573352
9131753113885516
1031023133030122
119980922907962
1235905a8595036
13144061320399c
14793755c2dc02
1538beb237b4ec
hex1c3722d2f6ea

31023133030122 has 32 divisors (see below), whose sum is σ = 62293546022400. Its totient is φ = 10299911279088.

The previous prime is 31023133030081. The next prime is 31023133030133. The reversal of 31023133030122 is 22103033132013.

It is a junction number, because it is equal to n+sod(n) for n = 31023133030092 and 31023133030101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8486172 + ... + 11578487.

It is an arithmetic number, because the mean of its divisors is an integer number (1946673313200).

Almost surely, 231023133030122 is an apocalyptic number.

31023133030122 is an abundant number, since it is smaller than the sum of its proper divisors (31270412992278).

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

31023133030122 is a wasteful number, since it uses less digits than its factorization.

31023133030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20065690.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31023133030122 its reverse (22103033132013), we get a palindrome (53126166162135).

The spelling of 31023133030122 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-three million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 439 587 878 1174 1317 1761 2634 3522 257693 515386 773079 1546158 20064659 40129318 60193977 120387954 8808385301 11777954833 17616770602 23555909666 26425155903 35333864499 52850311806 70667728998 5170522171687 10341044343374 15511566515061 31023133030122