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231133103103311 = 17323341927315011
BaseRepresentation
bin110100100011011011011110…
…100000011001110101001111
31010022101002221100201110122122
4310203123132200121311033
5220243341043343301221
62135325025352403155
766453546522331613
oct6443333640316517
91108332840643578
10231133103103311
1167711aa908a912
1221b0b1886a64bb
139bc79b1711b96
144110c8aa87343
151bac480aa0eab
hexd236de819d4f

231133103103311 has 32 divisors (see below), whose sum is σ = 234156465204480. Its totient is φ = 228135613305600.

The previous prime is 231133103103299. The next prime is 231133103103349. The reversal of 231133103103311 is 113301301331132.

It is a cyclic number.

It is not a de Polignac number, because 231133103103311 - 26 = 231133103103247 is a prime.

It is a super-2 number, since 2×2311331031033112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133103103011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46125142796 + ... + 46125147806.

It is an arithmetic number, because the mean of its divisors is an integer number (7317389537640).

Almost surely, 2231133103103311 is an apocalyptic number.

231133103103311 is a deficient number, since it is larger than the sum of its proper divisors (3023362101169).

231133103103311 is a wasteful number, since it uses less digits than its factorization.

231133103103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 231133103103311 its reverse (113301301331132), we get a palindrome (344434404434443).

The spelling of 231133103103311 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, one hundred three million, one hundred three thousand, three hundred eleven".

Divisors: 1 173 233 419 2731 5011 40309 72487 97627 472463 636323 866903 1144289 1167563 2099609 13685041 16889471 110083879 197961997 201988399 266619337 363232357 489208897 2367512093 3188614553 5734032179 46125145301 84633139181 551630317669 991987566967 1336029497707 231133103103311