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131434611 = 3721181283
BaseRepresentation
bin1111101010110…
…00100001110011
3100011022120101120
413311120201303
5232121401421
621013033323
73154114200
oct765304163
9304276346
10131434611
1168211850
1238025843
13212cb779
1413654ca7
15b8138c6
hex7d58873

131434611 has 24 divisors (see below), whose sum is σ = 222393024. Its totient is φ = 68276880.

The previous prime is 131434603. The next prime is 131434631. The reversal of 131434611 is 116434131.

It is not a de Polignac number, because 131434611 - 23 = 131434603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131434631) 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, 39025 + ... + 42258.

It is an arithmetic number, because the mean of its divisors is an integer number (9266376).

Almost surely, 2131434611 is an apocalyptic number.

131434611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131434611 is a deficient number, since it is larger than the sum of its proper divisors (90958413).

131434611 is a wasteful number, since it uses less digits than its factorization.

131434611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81311 (or 81304 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 131434611 is about 11464.4934907740. The cubic root of 131434611 is about 508.4363371907.

Adding to 131434611 its reverse (116434131), we get a palindrome (247868742).

The spelling of 131434611 in words is "one hundred thirty-one million, four hundred thirty-four thousand, six hundred eleven".

Divisors: 1 3 7 11 21 33 49 77 147 231 539 1617 81283 243849 568981 894113 1706943 2682339 3982867 6258791 11948601 18776373 43811537 131434611