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1331333101 = 71613117911
BaseRepresentation
bin100111101011010…
…1000011111101101
310102210010201200101
41033112220133231
510211310124401
6340035031101
744664100420
oct11726503755
93383121611
101331333101
1162355929a
12311a3b491
13182a88987
14c8b599b7
157bd2e101
hex4f5a87ed

1331333101 has 8 divisors (see below), whose sum is σ = 1522479744. Its totient is φ = 1140425520.

The previous prime is 1331333093. The next prime is 1331333137. The reversal of 1331333101 is 1013331331.

It is a happy number.

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 1331333101 - 23 = 1331333093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331330101) 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, 47665 + ... + 70246.

It is an arithmetic number, because the mean of its divisors is an integer number (190309968).

Almost surely, 21331333101 is an apocalyptic number.

It is an amenable number.

1331333101 is a deficient number, since it is larger than the sum of its proper divisors (191146643).

1331333101 is a wasteful number, since it uses less digits than its factorization.

1331333101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119531.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1331333101 is about 36487.4375778843. The cubic root of 1331333101 is about 1100.0917557069.

Adding to 1331333101 its reverse (1013331331), we get a palindrome (2344664432).

The spelling of 1331333101 in words is "one billion, three hundred thirty-one million, three hundred thirty-three thousand, one hundred one".

Divisors: 1 7 1613 11291 117911 825377 190190443 1331333101