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30231021213103 = 194613451423817
BaseRepresentation
bin1101101111110101101010…
…10001111101010110101111
310222001001112211212100101011
412313322311101331112233
512430301112412304403
6144143534525330051
76240055613323564
oct667726521752657
9128031484770334
1030231021213103
1196a59a4398857
123482b83a06927
1313b3a0857a009
1476729138686b
153765a1848a6d
hex1b7eb547d5af

30231021213103 has 8 divisors (see below), whose sum is σ = 31891156078320. Its totient is φ = 28577789196480.

The previous prime is 30231021213083. The next prime is 30231021213161. The reversal of 30231021213103 is 30131212013203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30231021213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231021213803) 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, 1725703150 + ... + 1725720667.

It is an arithmetic number, because the mean of its divisors is an integer number (3986394509790).

Almost surely, 230231021213103 is an apocalyptic number.

30231021213103 is a deficient number, since it is larger than the sum of its proper divisors (1660134865217).

30231021213103 is a wasteful number, since it uses less digits than its factorization.

30231021213103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451424297.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30231021213103 its reverse (30131212013203), we get a palindrome (60362233226306).

The spelling of 30231021213103 in words is "thirty trillion, two hundred thirty-one billion, twenty-one million, two hundred thirteen thousand, one hundred three".

Divisors: 1 19 461 8759 3451423817 65577052523 1591106379637 30231021213103