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343101030221 = 1918057948959
BaseRepresentation
bin1001111111000100110…
…10100011111101001101
31012210121022010012222202
410333202122203331031
521110132330431341
6421341325451245
733534235431515
oct4774232437515
91183538105882
10343101030221
11122565650234
12565b3a10b25
132647b4aa0a1
141286b4d4845
158dd154479b
hex4fe26a3f4d

343101030221 has 4 divisors (see below), whose sum is σ = 361158979200. Its totient is φ = 325043081244.

The previous prime is 343101030191. The next prime is 343101030257. The reversal of 343101030221 is 122030101343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343101030221 - 234 = 325921161037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 343101030193 and 343101030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343101030271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9028974461 + ... + 9028974498.

It is an arithmetic number, because the mean of its divisors is an integer number (90289744800).

Almost surely, 2343101030221 is an apocalyptic number.

It is an amenable number.

343101030221 is a deficient number, since it is larger than the sum of its proper divisors (18057948979).

343101030221 is a wasteful number, since it uses less digits than its factorization.

343101030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18057948978.

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

Adding to 343101030221 its reverse (122030101343), we get a palindrome (465131131564).

The spelling of 343101030221 in words is "three hundred forty-three billion, one hundred one million, thirty thousand, two hundred twenty-one".

Divisors: 1 19 18057948959 343101030221