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31341141 = 3313293079
BaseRepresentation
bin111011110001…
…1101001010101
32011222021222000
41313203221111
531010404031
63035425513
7530252406
oct167435125
964867860
1031341141
1116767077
12a5b5299
136654570
14423b9ad
152b413e6
hex1de3a55

31341141 has 32 divisors (see below), whose sum is σ = 51744000. Its totient is φ = 18615744.

The previous prime is 31341137. The next prime is 31341161. The reversal of 31341141 is 14114313.

31341141 = 792 + 802 + ... + 4552.

It is not a de Polignac number, because 31341141 - 22 = 31341137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8640 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (1617000).

Almost surely, 231341141 is an apocalyptic number.

It is an amenable number.

31341141 is a deficient number, since it is larger than the sum of its proper divisors (20402859).

31341141 is a wasteful number, since it uses less digits than its factorization.

31341141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3124 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 31341141 is about 5598.3159074850. The cubic root of 31341141 is about 315.2861798341.

Adding to 31341141 its reverse (14114313), we get a palindrome (45455454).

The spelling of 31341141 in words is "thirty-one million, three hundred forty-one thousand, one hundred forty-one".

Divisors: 1 3 9 13 27 29 39 87 117 261 351 377 783 1131 3079 3393 9237 10179 27711 40027 83133 89291 120081 267873 360243 803619 1080729 1160783 2410857 3482349 10447047 31341141