Search a number
-
+
313114220430421 = 571754768973313
BaseRepresentation
bin100011100110001101001010…
…1111000100000010001010101
31112001122102112101100011122111
41013030122111320200101111
5312020030410412233141
63025534404225031021
7122644520163054004
oct10714322570402125
91461572471304574
10313114220430421
1190849aa4620153
122b14b772a85471
131059370ca6a127
145746b48374c3b
15262ec458a6381
hex11cc695e20455

313114220430421 has 4 divisors (see below), whose sum is σ = 313168989409452. Its totient is φ = 313059451451392.

The previous prime is 313114220430409. The next prime is 313114220430437. The reversal of 313114220430421 is 124034022411313.

It is a happy number.

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 220039694050225 + 93074526380196 = 14833735^2 + 9647514^2 .

It is a cyclic number.

It is not a de Polignac number, because 313114220430421 - 27 = 313114220430293 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 (313114220460421) 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, 27384480940 + ... + 27384492373.

It is an arithmetic number, because the mean of its divisors is an integer number (78292247352363).

Almost surely, 2313114220430421 is an apocalyptic number.

It is an amenable number.

313114220430421 is a deficient number, since it is larger than the sum of its proper divisors (54768979031).

313114220430421 is an equidigital number, since it uses as much as digits as its factorization.

313114220430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54768979030.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 313114220430421 its reverse (124034022411313), we get a palindrome (437148242841734).

The spelling of 313114220430421 in words is "three hundred thirteen trillion, one hundred fourteen billion, two hundred twenty million, four hundred thirty thousand, four hundred twenty-one".

Divisors: 1 5717 54768973313 313114220430421