Search a number
-
+
311440304323041 = 3130807793638221
BaseRepresentation
bin100011011010000001101100…
…0101101010011100111100001
31111211201101212021212101101120
41012310003120231103213201
5311310114220401314131
63022213411201322453
7122412551033651415
oct10664033055234741
91454641767771346
10311440304323041
1190264100616213
122ab1b273936429
13104a190529c15a
1456c9b10d18d45
152601424ead496
hex11b40d8b539e1

311440304323041 has 8 divisors (see below), whose sum is σ = 415256914173504. Its totient is φ = 207625282010640.

The previous prime is 311440304322989. The next prime is 311440304323147. The reversal of 311440304323041 is 140323403044113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311440304323041 - 227 = 311440170105313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311440304322993 and 311440304323011.

It is not an unprimeable number, because it can be changed into a prime (311440304322041) 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 7 ways as a sum of consecutive naturals, for example, 396426690 + ... + 397211531.

It is an arithmetic number, because the mean of its divisors is an integer number (51907114271688).

Almost surely, 2311440304323041 is an apocalyptic number.

It is an amenable number.

311440304323041 is a deficient number, since it is larger than the sum of its proper divisors (103816609850463).

311440304323041 is a wasteful number, since it uses less digits than its factorization.

311440304323041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793769031.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 311440304323041 its reverse (140323403044113), we get a palindrome (451763707367154).

The spelling of 311440304323041 in words is "three hundred eleven trillion, four hundred forty billion, three hundred four million, three hundred twenty-three thousand, forty-one".

Divisors: 1 3 130807 392421 793638221 2380914663 103813434774347 311440304323041