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31303022201130 = 2351954917582809
BaseRepresentation
bin1110001111000010011011…
…00001001100100100101010
311002211112120102211221021110
413013201031201030210222
513100332042140414010
6150324224311051150
76410366033350611
oct707411541144452
9132745512757243
1031303022201130
119a7959aa67729
12361689a970ab6
131460b296c2184
147a310807a878
153943e41cb120
hex1c784d84c92a

31303022201130 has 32 divisors (see below), whose sum is σ = 79081319246400. Its totient is φ = 7908131924352.

The previous prime is 31303022201123. The next prime is 31303022201131. The reversal of 31303022201130 is 3110222030313.

It is a junction number, because it is equal to n+sod(n) for n = 31303022201097 and 31303022201106.

It is not an unprimeable number, because it can be changed into a prime (31303022201131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27458790835 + ... + 27458791974.

It is an arithmetic number, because the mean of its divisors is an integer number (2471291226450).

Almost surely, 231303022201130 is an apocalyptic number.

31303022201130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31303022201130 is an abundant number, since it is smaller than the sum of its proper divisors (47778297045270).

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

31303022201130 is a wasteful number, since it uses less digits than its factorization.

31303022201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54917582838.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31303022201130 its reverse (3110222030313), we get a palindrome (34413244231443).

The spelling of 31303022201130 in words is "thirty-one trillion, three hundred three billion, twenty-two million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 54917582809 109835165618 164752748427 274587914045 329505496854 549175828090 823763742135 1043434073371 1647527484270 2086868146742 3130302220113 5217170366855 6260604440226 10434340733710 15651511100565 31303022201130