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30131112000 = 2635311196007
BaseRepresentation
bin11100000011111101…
…000100100001000000
32212202220000002020010
4130003331010201000
5443202031041000
621501514144520
72114451140403
oct340375044100
985686002203
1030131112000
1111862255460
125a0aa22140
132ac25aca72
14165ba17d3a
15bb53c6d50
hex703f44840

30131112000 has 448 divisors, whose sum is σ = 114269276160. Its totient is φ = 6918912000.

The previous prime is 30131111971. The next prime is 30131112041. The reversal of 30131112000 is 21113103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5012997 + ... + 5019003.

Almost surely, 230131112000 is an apocalyptic number.

30131112000 is a gapful number since it is divisible by the number (30) 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 30131112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57134638080).

30131112000 is an abundant number, since it is smaller than the sum of its proper divisors (84138164160).

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

30131112000 is a wasteful number, since it uses less digits than its factorization.

30131112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30131112000 its reverse (21113103), we get a palindrome (30152225103).

The spelling of 30131112000 in words is "thirty billion, one hundred thirty-one million, one hundred twelve thousand".