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42134131 = 1310633049
BaseRepresentation
bin1010000010111…
…0101001110011
32221021122011101
42200232221303
541241243011
64103025231
71021064014
oct240565163
987248141
1042134131
1121868aa6
121213b217
138963050
14584b00b
153a742c1
hex282ea73

42134131 has 8 divisors (see below), whose sum is σ = 45432800. Its totient is φ = 38843712.

The previous prime is 42134117. The next prime is 42134149. The reversal of 42134131 is 13143124.

42134131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42134131 - 27 = 42134003 is a prime.

It is a super-2 number, since 2×421341312 = 3550569990250322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42134099 and 42134108.

It is not an unprimeable number, because it can be changed into a prime (42134161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12295 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (5679100).

Almost surely, 242134131 is an apocalyptic number.

42134131 is a deficient number, since it is larger than the sum of its proper divisors (3298669).

42134131 is a wasteful number, since it uses less digits than its factorization.

42134131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125.

The product of its digits is 288, while the sum is 19.

The square root of 42134131 is about 6491.0808807162. The cubic root of 42134131 is about 347.9723053444.

Adding to 42134131 its reverse (13143124), we get a palindrome (55277255).

The spelling of 42134131 in words is "forty-two million, one hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 13 1063 3049 13819 39637 3241087 42134131