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34431012121 = 1123136090957
BaseRepresentation
bin100000000100001111…
…111000110100011001
310021212120000122022011
4200010033320310121
51031003314341441
623452320025521
72326142526352
oct400417706431
9107776018264
1034431012121
1113669455020
12680aa622a1
13332939596c
141948b16d29
15d67b3b581
hex8043f8d19

34431012121 has 8 divisors (see below), whose sum is σ = 39194195904. Its totient is φ = 29940010320.

The previous prime is 34431012053. The next prime is 34431012221. The reversal of 34431012121 is 12121013443.

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

It is not a de Polignac number, because 34431012121 - 29 = 34431011609 is a prime.

It is a super-3 number, since 3×344310121213 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34431012092 and 34431012101.

It is not an unprimeable number, because it can be changed into a prime (34431012221) 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, 68045226 + ... + 68045731.

It is an arithmetic number, because the mean of its divisors is an integer number (4899274488).

Almost surely, 234431012121 is an apocalyptic number.

It is an amenable number.

34431012121 is a deficient number, since it is larger than the sum of its proper divisors (4763183783).

34431012121 is a wasteful number, since it uses less digits than its factorization.

34431012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136090991.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 34431012121 its reverse (12121013443), we get a palindrome (46552025564).

The spelling of 34431012121 in words is "thirty-four billion, four hundred thirty-one million, twelve thousand, one hundred twenty-one".

Divisors: 1 11 23 253 136090957 1497000527 3130092011 34431012121