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3101312231011 = 28142112620921
BaseRepresentation
bin101101001000010100100…
…111010010011001100011
3101222111000210002212020101
4231020110213102121203
5401302441412343021
610332420112123231
7440030260004011
oct55102447223143
911874023085211
103101312231011
11a962939a3415
1242107b236517
131965b616a7a7
14aa16633d8b1
1555a13c87a91
hex2d2149d2663

3101312231011 has 8 divisors (see below), whose sum is σ = 3113089216848. Its totient is φ = 3089540496000.

The previous prime is 3101312231009. The next prime is 3101312231041. The reversal of 3101312231011 is 1101322131013.

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

It is a cyclic number.

It is not a de Polignac number, because 3101312231011 - 21 = 3101312231009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3101312231011.

It is not an unprimeable number, because it can be changed into a prime (3101312231041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127170 + ... + 2493751.

It is an arithmetic number, because the mean of its divisors is an integer number (389136152106).

Almost surely, 23101312231011 is an apocalyptic number.

3101312231011 is a deficient number, since it is larger than the sum of its proper divisors (11776985837).

3101312231011 is a wasteful number, since it uses less digits than its factorization.

3101312231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625413.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 3101312231011 its reverse (1101322131013), we get a palindrome (4202634362024).

The spelling of 3101312231011 in words is "three trillion, one hundred one billion, three hundred twelve million, two hundred thirty-one thousand, eleven".

Divisors: 1 281 4211 1183291 2620921 736478801 11036698331 3101312231011