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1331302341 = 3443767447
BaseRepresentation
bin100111101011010…
…0000111111000101
310102210002011111010
41033112200333011
510211303133331
6340034232433
744663611635
oct11726407705
93383064433
101331302341
11623538176
12311a25719
13182a77985
14c8b4c6c5
157bd24e46
hex4f5a0fc5

1331302341 has 4 divisors (see below), whose sum is σ = 1775069792. Its totient is φ = 887534892.

The previous prime is 1331302277. The next prime is 1331302361. The reversal of 1331302341 is 1432031331.

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 1331302341 - 26 = 1331302277 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 (1331302361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221883721 + ... + 221883726.

It is an arithmetic number, because the mean of its divisors is an integer number (443767448).

Almost surely, 21331302341 is an apocalyptic number.

It is an amenable number.

1331302341 is a deficient number, since it is larger than the sum of its proper divisors (443767451).

1331302341 is an equidigital number, since it uses as much as digits as its factorization.

1331302341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443767450.

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

The square root of 1331302341 is about 36487.0160605112. The cubic root of 1331302341 is about 1100.0832832260.

Adding to 1331302341 its reverse (1432031331), we get a palindrome (2763333672).

The spelling of 1331302341 in words is "one billion, three hundred thirty-one million, three hundred two thousand, three hundred forty-one".

Divisors: 1 3 443767447 1331302341