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34311240221 = 67857597559
BaseRepresentation
bin11111111101000110…
…111111101000011101
310021120012122121010212
4133331012333220131
51030232134141341
623432400542205
72323156505216
oct377506775035
9107505577125
1034311240221
1113607889685
126796921965
13330a61b80b
141936c5a40d
15d5c37d5eb
hex7fd1bfa1d

34311240221 has 8 divisors (see below), whose sum is σ = 34864040640. Its totient is φ = 33759636768.

The previous prime is 34311240209. The next prime is 34311240241. The reversal of 34311240221 is 12204211343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34311240221 - 210 = 34311239197 is a prime.

It is a super-2 number, since 2×343112402212 (a number of 22 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 (34311240241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241361 + ... + 356198.

It is an arithmetic number, because the mean of its divisors is an integer number (4358005080).

Almost surely, 234311240221 is an apocalyptic number.

It is an amenable number.

34311240221 is a deficient number, since it is larger than the sum of its proper divisors (552800419).

34311240221 is an equidigital number, since it uses as much as digits as its factorization.

34311240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598483.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 34311240221 its reverse (12204211343), we get a palindrome (46515451564).

The spelling of 34311240221 in words is "thirty-four billion, three hundred eleven million, two hundred forty thousand, two hundred twenty-one".

Divisors: 1 67 857 57419 597559 40036453 512108063 34311240221