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30102203222131 = 125753239375627
BaseRepresentation
bin1101101100000101101110…
…01000010100100001110011
310221120202001022002101022111
412312002313020110201303
512421143303011102011
6144004432232550151
76224545441423645
oct666026710244163
9127522038071274
1030102203222131
1196562aaa57597
123462012b52357
1313a481953ab11
14760d50c86895
1537306266a121
hex1b60b7214873

30102203222131 has 4 divisors (see below), whose sum is σ = 30102442723512. Its totient is φ = 30101963720752.

The previous prime is 30102203222129. The next prime is 30102203222137. The reversal of 30102203222131 is 13122230220103.

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 30102203222131 - 21 = 30102203222129 is a prime.

It is a super-2 number, since 2×301022032221312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30102203222137) 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, 119562061 + ... + 119813566.

It is an arithmetic number, because the mean of its divisors is an integer number (7525610680878).

Almost surely, 230102203222131 is an apocalyptic number.

30102203222131 is a deficient number, since it is larger than the sum of its proper divisors (239501381).

30102203222131 is a wasteful number, since it uses less digits than its factorization.

30102203222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239501380.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30102203222131 its reverse (13122230220103), we get a palindrome (43224433442234).

The spelling of 30102203222131 in words is "thirty trillion, one hundred two billion, two hundred three million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 125753 239375627 30102203222131