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133341131 = 7111731703
BaseRepresentation
bin1111111001010…
…01111111001011
3100021220102122102
413330221333023
5233113404011
621121544015
73206244440
oct774517713
9307812572
10133341131
11692a4190
12387a500b
13218184a1
14139cd9c7
15ba8d73b
hex7f29fcb

133341131 has 8 divisors (see below), whose sum is σ = 166243584. Its totient is φ = 103902120.

The previous prime is 133341119. The next prime is 133341139. The reversal of 133341131 is 131143331.

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

It is a de Polignac number, because none of the positive numbers 2k-133341131 is a prime.

It is a super-2 number, since 2×1333411312 = 35559714432718322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133341139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865775 + ... + 865928.

It is an arithmetic number, because the mean of its divisors is an integer number (20780448).

Almost surely, 2133341131 is an apocalyptic number.

133341131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133341131 is a deficient number, since it is larger than the sum of its proper divisors (32902453).

133341131 is a wasteful number, since it uses less digits than its factorization.

133341131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731721.

The product of its digits is 324, while the sum is 20.

The square root of 133341131 is about 11547.3430277272. The cubic root of 133341131 is about 510.8829137774.

Adding to 133341131 its reverse (131143331), we get a palindrome (264484462).

The spelling of 133341131 in words is "one hundred thirty-three million, three hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 7 11 77 1731703 12121921 19048733 133341131