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30231302310112 = 2541167367397947
BaseRepresentation
bin1101101111110110001100…
…00010010000100011100000
310222001002021102210112222111
412313323012002100203200
512430302201342410422
6144144022450245104
76240065565523441
oct667730602204340
9128032242715874
1030231302310112
1196a6029031132
123483041b86794
1313b3a51889ac7
147672ba8392c8
153765bb371a77
hex1b7ec60908e0

30231302310112 has 192 divisors, whose sum is σ = 61721766844416. Its totient is φ = 14566508605440.

The previous prime is 30231302310109. The next prime is 30231302310113. The reversal of 30231302310112 is 21101320313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231302310113) 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, 31923233223 + ... + 31923234169.

It is an arithmetic number, because the mean of its divisors is an integer number (321467535648).

Almost surely, 230231302310112 is an apocalyptic number.

30231302310112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30231302310112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30860883422208).

30231302310112 is an abundant number, since it is smaller than the sum of its proper divisors (31490464534304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30231302310112 is a wasteful number, since it uses less digits than its factorization.

30231302310112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1921 counting only the distinct ones).

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

Adding to 30231302310112 its reverse (21101320313203), we get a palindrome (51332622623315).

The spelling of 30231302310112 in words is "thirty trillion, two hundred thirty-one billion, three hundred two million, three hundred ten thousand, one hundred twelve".