Search a number
-
+
121313213310311 = 1128013937334501
BaseRepresentation
bin11011100101010101101110…
…111111000110010101100111
3120220112102121102022012100222
4123211111232333012111213
5111400043430101412221
61110002304255354555
734360406342145251
oct3345255677062547
9526472542265328
10121313213310311
1135721710314a70
1211733391822a5b
13528ca2cb60609
1421d583b42ccd1
15e0597d5b59ab
hex6e556efc6567

121313213310311 has 8 divisors (see below), whose sum is σ = 132388935295248. Its totient is φ = 110245366000000.

The previous prime is 121313213310299. The next prime is 121313213310347. The reversal of 121313213310311 is 113013312313121.

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

It is a de Polignac number, because none of the positive numbers 2k-121313213310311 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 (121313213310361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968636440 + ... + 1968698061.

It is an arithmetic number, because the mean of its divisors is an integer number (16548616911906).

Almost surely, 2121313213310311 is an apocalyptic number.

121313213310311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121313213310311 is a deficient number, since it is larger than the sum of its proper divisors (11075721984937).

121313213310311 is a wasteful number, since it uses less digits than its factorization.

121313213310311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937337313.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 121313213310311 its reverse (113013312313121), we get a palindrome (234326525623432).

The spelling of 121313213310311 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred thirteen million, three hundred ten thousand, three hundred eleven".

Divisors: 1 11 2801 30811 3937334501 43310679511 11028473937301 121313213310311