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30102132221231 = 74300304603033
BaseRepresentation
bin1101101100000101100101…
…11001011110010100101111
310221120201212100111011101112
412312002302321132110233
512421143131322034411
6144004421215102235
76224543620061150
oct666026271362457
9127521770434345
1030102132221231
119656273972564
123461bb321197b
1313a480790b855
14760d45683927
1537305b2e2b8b
hex1b60b2e5e52f

30102132221231 has 4 divisors (see below), whose sum is σ = 34402436824272. Its totient is φ = 25801827618192.

The previous prime is 30102132221221. The next prime is 30102132221233. The reversal of 30102132221231 is 13212223120103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30102132221231 - 26 = 30102132221167 is a prime.

It is a super-2 number, since 2×301021322212312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30102132221197 and 30102132221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102132221233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150152301510 + ... + 2150152301523.

It is an arithmetic number, because the mean of its divisors is an integer number (8600609206068).

Almost surely, 230102132221231 is an apocalyptic number.

30102132221231 is a deficient number, since it is larger than the sum of its proper divisors (4300304603041).

30102132221231 is an equidigital number, since it uses as much as digits as its factorization.

30102132221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300304603040.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30102132221231 its reverse (13212223120103), we get a palindrome (43314355341334).

The spelling of 30102132221231 in words is "thirty trillion, one hundred two billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 7 4300304603033 30102132221231