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343242340231 = 7215158677907
BaseRepresentation
bin1001111111010101101…
…01100111011110000111
31012210222011000111212211
410333222311213132013
521110430014341411
6421403334324251
733540602516200
oct4775265473607
91183864014784
10343242340231
1112262839756a
12566331b9687
13264a185578b
141288219a5a7
158dddb59221
hex4fead67787

343242340231 has 24 divisors (see below), whose sum is σ = 402045503616. Its totient is φ = 292172554800.

The previous prime is 343242340193. The next prime is 343242340237. The reversal of 343242340231 is 132043242343.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-343242340231 is a prime.

It is a super-2 number, since 2×3432423402312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343242340193 and 343242340202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343242340237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43405980 + ... + 43413886.

It is an arithmetic number, because the mean of its divisors is an integer number (16751895984).

Almost surely, 2343242340231 is an apocalyptic number.

343242340231 is a deficient number, since it is larger than the sum of its proper divisors (58803163385).

343242340231 is a wasteful number, since it uses less digits than its factorization.

343242340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939 (or 13932 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 343242340231 its reverse (132043242343), we get a palindrome (475285582574).

The spelling of 343242340231 in words is "three hundred forty-three billion, two hundred forty-two million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 7 49 151 1057 5867 7399 7907 41069 55349 287483 387443 885917 1193957 6201419 8357699 43409933 46390369 58503893 324732583 2273128081 7004945719 49034620033 343242340231