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30310121213203 = 13171911636206719
BaseRepresentation
bin1101110010001001000000…
…00000100000110100010011
310222022121201110110200121111
412321010200000200310103
512433100112012310303
6144244135533034151
76245556026250016
oct671044000406423
9128277643420544
1030310121213203
1197264a5272667
12349637a325957
1313bb3030b84c0
1476b0367a537d
15378680cdab6d
hex1b9120020d13

30310121213203 has 32 divisors (see below), whose sum is σ = 36412095283200. Its totient is φ = 24925385028096.

The previous prime is 30310121213201. The next prime is 30310121213221. The reversal of 30310121213203 is 30231212101303.

It is a cyclic number.

It is not a de Polignac number, because 30310121213203 - 21 = 30310121213201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30310121213201) 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, 1780078 + ... + 7986796.

It is an arithmetic number, because the mean of its divisors is an integer number (1137877977600).

Almost surely, 230310121213203 is an apocalyptic number.

30310121213203 is a deficient number, since it is larger than the sum of its proper divisors (6101974069997).

30310121213203 is a wasteful number, since it uses less digits than its factorization.

30310121213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207931.

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

Adding to 30310121213203 its reverse (30231212101303), we get a palindrome (60541333314506).

The spelling of 30310121213203 in words is "thirty trillion, three hundred ten billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred three".

Divisors: 1 13 17 19 221 247 323 1163 4199 15119 19771 22097 257023 287261 375649 4883437 6206719 80687347 105514223 117927661 1371684899 1533059593 2004770237 7218414197 26062013081 93839384561 122713041349 137149869743 1595269537537 1782948306659 2331547785631 30310121213203