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3111230131311 = 38128312758839
BaseRepresentation
bin101101010001100011110…
…001000100110001101111
3102000102121222101101202010
4231101203301010301233
5401433244403200221
610341140203132303
7440531116526151
oct55214361046157
912012558341663
103111230131311
11a9a513332735
12422b88814093
13197506b40c53
14aa827610ad1
1555de4829c76
hex2d463c44c6f

3111230131311 has 8 divisors (see below), whose sum is σ = 4148358202240. Its totient is φ = 2074127740632.

The previous prime is 3111230131309. The next prime is 3111230131333. The reversal of 3111230131311 is 1131310321113.

3111230131311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3111230131311 - 21 = 3111230131309 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 (3111230133311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6135571 + ... + 6623268.

It is an arithmetic number, because the mean of its divisors is an integer number (518544775280).

Almost surely, 23111230131311 is an apocalyptic number.

3111230131311 is a deficient number, since it is larger than the sum of its proper divisors (1037128070929).

3111230131311 is a wasteful number, since it uses less digits than its factorization.

3111230131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840125.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 3111230131311 its reverse (1131310321113), we get a palindrome (4242540452424).

The spelling of 3111230131311 in words is "three trillion, one hundred eleven billion, two hundred thirty million, one hundred thirty-one thousand, three hundred eleven".

Divisors: 1 3 81283 243849 12758839 38276517 1037076710437 3111230131311