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34311312321 = 31113731095613
BaseRepresentation
bin11111111101000111…
…010001001111000001
310021120012210021001020
4133331013101033001
51030232143443241
623432402300053
72323160225346
oct377507211701
9107505707036
1034311312321
1113607928870
126796957629
13330a645590
141936c787cd
15d5c394b66
hex7fd1d13c1

34311312321 has 32 divisors (see below), whose sum is σ = 54482692992. Its totient is φ = 18932175360.

The previous prime is 34311312281. The next prime is 34311312331. The reversal of 34311312321 is 12321311343.

It is not a de Polignac number, because 34311312321 - 218 = 34311050177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34311312291 and 34311312300.

It is not an unprimeable number, because it can be changed into a prime (34311312331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516490 + ... + 579123.

It is an arithmetic number, because the mean of its divisors is an integer number (1702584156).

Almost surely, 234311312321 is an apocalyptic number.

It is an amenable number.

34311312321 is a deficient number, since it is larger than the sum of its proper divisors (20171380671).

34311312321 is a wasteful number, since it uses less digits than its factorization.

34311312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095713.

The product of its digits is 1296, while the sum is 24.

Adding to 34311312321 its reverse (12321311343), we get a palindrome (46632623664).

The spelling of 34311312321 in words is "thirty-four billion, three hundred eleven million, three hundred twelve thousand, three hundred twenty-one".

Divisors: 1 3 11 13 33 39 73 143 219 429 803 949 2409 2847 10439 31317 1095613 3286839 12051743 14242969 36155229 42728907 79979749 156672659 239939247 470017977 879777239 1039736737 2639331717 3119210211 11437104107 34311312321