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31052135 = 579127619
BaseRepresentation
bin111011001110…
…1000101100111
32011102121112002
41312131011213
530422132020
63025315515
7524640002
oct166350547
964377462
1031052135
1116589a24
12a495b9b
136582b5a
1441a4539
152ad5975
hex1d9d167

31052135 has 16 divisors (see below), whose sum is σ = 38092800. Its totient is φ = 24294816.

The previous prime is 31052123. The next prime is 31052167. The reversal of 31052135 is 53125013.

It is a cyclic number.

It is not a de Polignac number, because 31052135 - 26 = 31052071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49856 + ... + 50474.

It is an arithmetic number, because the mean of its divisors is an integer number (2380800).

Almost surely, 231052135 is an apocalyptic number.

31052135 is a deficient number, since it is larger than the sum of its proper divisors (7040665).

31052135 is a wasteful number, since it uses less digits than its factorization.

31052135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 31052135 is about 5572.4442572358. Note that the first 3 decimals coincide. The cubic root of 31052135 is about 314.3140697065.

Adding to 31052135 its reverse (53125013), we get a palindrome (84177148).

The spelling of 31052135 in words is "thirty-one million, fifty-two thousand, one hundred thirty-five".

Divisors: 1 5 79 127 395 619 635 3095 10033 48901 50165 78613 244505 393065 6210427 31052135