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1331102033 = 7537176609
BaseRepresentation
bin100111101010111…
…0000000101010001
310102202200222201022
41033111300011101
510211230231113
6340030045225
744662115642
oct11725600521
93382628638
101331102033
11623410728
12311949815
13182a07751
14c8ad96c9
157bcd5908
hex4f570151

1331102033 has 4 divisors (see below), whose sum is σ = 1331286180. Its totient is φ = 1330917888.

The previous prime is 1331101999. The next prime is 1331102039. The reversal of 1331102033 is 3302011331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3302011331 = 19317108867.

It can be written as a sum of positive squares in 2 ways, for example, as 322849024 + 1008253009 = 17968^2 + 31753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331102033 - 26 = 1331101969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331102039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80768 + ... + 95841.

It is an arithmetic number, because the mean of its divisors is an integer number (332821545).

Almost surely, 21331102033 is an apocalyptic number.

It is an amenable number.

1331102033 is a deficient number, since it is larger than the sum of its proper divisors (184147).

1331102033 is an equidigital number, since it uses as much as digits as its factorization.

1331102033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184146.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331102033 is about 36484.2710356120. The cubic root of 1331102033 is about 1100.0281075462.

Adding to 1331102033 its reverse (3302011331), we get a palindrome (4633113364).

The spelling of 1331102033 in words is "one billion, three hundred thirty-one million, one hundred two thousand, thirty-three".

Divisors: 1 7537 176609 1331102033