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231103112022012 = 22363197304739033
BaseRepresentation
bin110100100010111111100010…
…111001100000011111111100
31010022021020112020012200102210
4310202333202321200133330
5220242343133134201022
62135303145355420420
766451435361340036
oct6442774271403774
91108236466180383
10231103112022012
116770030898860a
1221b053b8754710
139bc4c12150429
14410d6438c0c56
151bab7c7b39a0c
hexd22fe2e607fc

231103112022012 has 24 divisors (see below), whose sum is σ = 539249129180496. Its totient is φ = 77033151465088.

The previous prime is 231103112022007. The next prime is 231103112022023. The reversal of 231103112022012 is 210220211301132.

It is a super-3 number, since 3×2311031120220123 (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231103112022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151611153 + ... + 153127880.

It is an arithmetic number, because the mean of its divisors is an integer number (22468713715854).

Almost surely, 2231103112022012 is an apocalyptic number.

It is an amenable number.

231103112022012 is an abundant number, since it is smaller than the sum of its proper divisors (308146017158484).

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

231103112022012 is a wasteful number, since it uses less digits than its factorization.

231103112022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304802237 (or 304802235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231103112022012 its reverse (210220211301132), we get a palindrome (441323323323144).

The spelling of 231103112022012 in words is "two hundred thirty-one trillion, one hundred three billion, one hundred twelve million, twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 63197 126394 189591 252788 379182 758364 304739033 609478066 914217099 1218956132 1828434198 3656868396 19258592668501 38517185337002 57775778005503 77034370674004 115551556011006 231103112022012