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30331201121120 = 255189570007007
BaseRepresentation
bin1101110010110000010000…
…11101111110101101100000
310222101122010120000222000202
412321120020131332231200
512433421244441333440
6144301543400404332
76250233303435344
oct671301035765540
9128348116028022
1030331201121120
119734432333469
12349a481a766a8
1313c02b242a7b3
1476c076279624
15378eb676e615
hex1b960877eb60

30331201121120 has 24 divisors (see below), whose sum is σ = 71657462649024. Its totient is φ = 12132480448384.

The previous prime is 30331201121119. The next prime is 30331201121141. The reversal of 30331201121120 is 2112110213303.

It is a happy number.

It is a super-2 number, since 2×303312011211202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30331201121092 and 30331201121101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94785003344 + ... + 94785003663.

It is an arithmetic number, because the mean of its divisors is an integer number (2985727610376).

Almost surely, 230331201121120 is an apocalyptic number.

It is an amenable number.

30331201121120 is an abundant number, since it is smaller than the sum of its proper divisors (41326261527904).

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

30331201121120 is a wasteful number, since it uses less digits than its factorization.

30331201121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189570007022 (or 189570007014 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30331201121120 its reverse (2112110213303), we get a palindrome (32443311334423).

The spelling of 30331201121120 in words is "thirty trillion, three hundred thirty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 189570007007 379140014014 758280028028 947850035035 1516560056056 1895700070070 3033120112112 3791400140140 6066240224224 7582800280280 15165600560560 30331201121120