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133341031 = 1938918041
BaseRepresentation
bin1111111001010…
…01111101100111
3100021220102111201
413330221331213
5233113403111
621121543331
73206244235
oct774517547
9307812451
10133341031
11692a40aa
12387a4b47
1321818425
14139cd955
15ba8d6c1
hex7f29f67

133341031 has 8 divisors (see below), whose sum is σ = 140727600. Its totient is φ = 125991360.

The previous prime is 133341029. The next prime is 133341037. The reversal of 133341031 is 130143331.

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 133341031 - 21 = 133341029 is a prime.

It is a super-2 number, since 2×1333410312 = 35559661096285922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133341037) 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, 1630 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (17590950).

Almost surely, 2133341031 is an apocalyptic number.

133341031 is a deficient number, since it is larger than the sum of its proper divisors (7386569).

133341031 is a wasteful number, since it uses less digits than its factorization.

133341031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18449.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133341031 is about 11547.3386977260. The cubic root of 133341031 is about 510.8827860641.

Adding to 133341031 its reverse (130143331), we get a palindrome (263484362).

It can be divided in two parts, 13334 and 1031, that added together give a triangular number (14365 = T169).

The spelling of 133341031 in words is "one hundred thirty-three million, three hundred forty-one thousand, thirty-one".

Divisors: 1 19 389 7391 18041 342779 7017949 133341031