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1241304331 = 5281235051
BaseRepresentation
bin100100111111100…
…1100110100001011
310012111201210102111
41021333030310023
510020233214311
6323101243151
742521625031
oct11177146413
93174653374
101241304331
11587758353
122a78634b7
1316a226907
14bac02551
1573e98d21
hex49fccd0b

1241304331 has 4 divisors (see below), whose sum is σ = 1241544664. Its totient is φ = 1241064000.

The previous prime is 1241304307. The next prime is 1241304341. The reversal of 1241304331 is 1334031421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1334031421 = 3673634963.

It is a cyclic number.

It is not a de Polignac number, because 1241304331 - 213 = 1241296139 is a prime.

It is a super-2 number, since 2×12413043312 = 3081672884318715122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241304341) 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, 112245 + ... + 122806.

It is an arithmetic number, because the mean of its divisors is an integer number (310386166).

Almost surely, 21241304331 is an apocalyptic number.

1241304331 is a deficient number, since it is larger than the sum of its proper divisors (240333).

1241304331 is an equidigital number, since it uses as much as digits as its factorization.

1241304331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240332.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1241304331 is about 35232.1491112875. The cubic root of 1241304331 is about 1074.7136301565.

Adding to 1241304331 its reverse (1334031421), we get a palindrome (2575335752).

The spelling of 1241304331 in words is "one billion, two hundred forty-one million, three hundred four thousand, three hundred thirty-one".

Divisors: 1 5281 235051 1241304331