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1131220230033 = 3377073410011
BaseRepresentation
bin10000011101100001111…
…110101101111110010001
311000010212200102210000210
4100131201332231332101
5122013214334330113
62223401515234333
7144504456206235
oct20354176557621
94003780383023
101131220230033
113a68253689a3
121632a34489a9
138289abc887a
143ca739ca5c5
151e65b7ae6c3
hex10761fadf91

1131220230033 has 4 divisors (see below), whose sum is σ = 1508293640048. Its totient is φ = 754146820020.

The previous prime is 1131220230029. The next prime is 1131220230043. The reversal of 1131220230033 is 3300320221311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131220230033 - 22 = 1131220230029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131220229991 and 1131220230009.

It is not an unprimeable number, because it can be changed into a prime (1131220230043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188536705003 + ... + 188536705008.

It is an arithmetic number, because the mean of its divisors is an integer number (377073410012).

Almost surely, 21131220230033 is an apocalyptic number.

It is an amenable number.

1131220230033 is a deficient number, since it is larger than the sum of its proper divisors (377073410015).

1131220230033 is an equidigital number, since it uses as much as digits as its factorization.

1131220230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377073410014.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131220230033 its reverse (3300320221311), we get a palindrome (4431540451344).

The spelling of 1131220230033 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, two hundred thirty thousand, thirty-three".

Divisors: 1 3 377073410011 1131220230033