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31002233002112 = 271911268088719
BaseRepresentation
bin1110000110010010001010…
…00101011101100010000000
311001202210011220220110000002
413003021011011131202000
513030420033122031422
6145534121302415132
76346560143345411
oct703110505354200
9131683156813002
1031002233002112
119972a78337539
1235885351314a8
13143b6622229c8
147927321c1808
1538b68c5ca692
hex1c324515d880

31002233002112 has 32 divisors (see below), whose sum is σ = 62085623731200. Its totient is φ = 15419958810880.

The previous prime is 31002233002087. The next prime is 31002233002177. The reversal of 31002233002112 is 21120033220013.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×310022330021122 (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 634019912 + ... + 634068807.

It is an arithmetic number, because the mean of its divisors is an integer number (1940175741600).

Almost surely, 231002233002112 is an apocalyptic number.

31002233002112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31002233002112 is an abundant number, since it is smaller than the sum of its proper divisors (31083390729088).

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

31002233002112 is a wasteful number, since it uses less digits than its factorization.

31002233002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268088924 (or 1268088912 counting only the distinct ones).

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

Adding to 31002233002112 its reverse (21120033220013), we get a palindrome (52122266222125).

The spelling of 31002233002112 in words is "thirty-one trillion, two billion, two hundred thirty-three million, two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 191 382 764 1528 3056 6112 12224 24448 1268088719 2536177438 5072354876 10144709752 20289419504 40578839008 81157678016 162315356032 242204945329 484409890658 968819781316 1937639562632 3875279125264 7750558250528 15501116501056 31002233002112