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304131244313 = 13171171366753
BaseRepresentation
bin1000110110011111010…
…00101000000100011001
31002002000102120222112202
410123033220220010121
514440330044304223
6351414352015545
730654440631401
oct4331750500431
91062012528482
10304131244313
11107a881822a6
124ab38b315b5
13228aa9b3280
1410a11a9b801
157da020b428
hex46cfa28119

304131244313 has 8 divisors (see below), whose sum is σ = 327545329608. Its totient is φ = 280719926784.

The previous prime is 304131244273. The next prime is 304131244321. The reversal of 304131244313 is 313442131403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136702864 + 303994541449 = 11692^2 + 551357^2 .

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 304131244313 - 226 = 304064135449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304131246313) 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 7 ways as a sum of consecutive naturals, for example, 460856 + ... + 905897.

It is an arithmetic number, because the mean of its divisors is an integer number (40943166201).

Almost surely, 2304131244313 is an apocalyptic number.

It is an amenable number.

304131244313 is a deficient number, since it is larger than the sum of its proper divisors (23414085295).

304131244313 is a wasteful number, since it uses less digits than its factorization.

304131244313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383883.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 304131244313 its reverse (313442131403), we get a palindrome (617573375716).

The spelling of 304131244313 in words is "three hundred four billion, one hundred thirty-one million, two hundred forty-four thousand, three hundred thirteen".

Divisors: 1 13 17117 222521 1366753 17767789 23394711101 304131244313