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311430224013113 = 735853423223421
BaseRepresentation
bin100011011001111100111111…
…1110111111110011100111001
31111211200102211202222120202102
41012303321333313332130321
5311304433044321404423
63022205023025313145
7122412043162512632
oct10663717767763471
91454612752876672
10311430224013113
119025a8a8539167
122ab1931ba957b5
13104a0989a7351a
1456c943624c889
152601035039c28
hex11b3e7fdfe739

311430224013113 has 4 divisors (see below), whose sum is σ = 311430647972388. Its totient is φ = 311429800053840.

The previous prime is 311430224013037. The next prime is 311430224013127. The reversal of 311430224013113 is 311310422034113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20770961205289 + 290659262807824 = 4557517^2 + 17048732^2 .

It is a cyclic number.

It is not a de Polignac number, because 311430224013113 - 28 = 311430224012857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311430224033113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210875858 + ... + 212347563.

It is an arithmetic number, because the mean of its divisors is an integer number (77857661993097).

Almost surely, 2311430224013113 is an apocalyptic number.

It is an amenable number.

311430224013113 is a deficient number, since it is larger than the sum of its proper divisors (423959275).

311430224013113 is an equidigital number, since it uses as much as digits as its factorization.

311430224013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423959274.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 311430224013113 its reverse (311310422034113), we get a palindrome (622740646047226).

The spelling of 311430224013113 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred twenty-four million, thirteen thousand, one hundred thirteen".

Divisors: 1 735853 423223421 311430224013113