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34206130631 = 131449581549
BaseRepresentation
bin11111110110110110…
…000010000111000111
310021021212212110220002
4133312312002013013
51030023232140011
623414124031515
72320442212241
oct376666020707
9107255773802
1034206130631
1113563518252
12676769259b
1332c19093aa
141926cd9091
15d53019c3b
hex7f6d821c7

34206130631 has 8 divisors (see below), whose sum is σ = 34544070000. Its totient is φ = 33869355520.

The previous prime is 34206130613. The next prime is 34206130687. The reversal of 34206130631 is 13603160243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34206130631 is a prime.

It is a super-2 number, since 2×342061306312 (a number of 22 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 = 34206130594 and 34206130603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34206130531) 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, 231956 + ... + 349593.

It is an arithmetic number, because the mean of its divisors is an integer number (4318008750).

Almost surely, 234206130631 is an apocalyptic number.

34206130631 is a deficient number, since it is larger than the sum of its proper divisors (337939369).

34206130631 is a wasteful number, since it uses less digits than its factorization.

34206130631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582129.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 34206130631 its reverse (13603160243), we get a palindrome (47809290874).

The spelling of 34206130631 in words is "thirty-four billion, two hundred six million, one hundred thirty thousand, six hundred thirty-one".

Divisors: 1 131 449 58819 581549 76182919 261115501 34206130631