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30200320331031 = 3239474201110017
BaseRepresentation
bin1101101110111100011110…
…10111011000110100010111
310221221010022020201221112210
412313132033113120310113
512424300224001043111
6144121500255044503
76234621043201014
oct667361727306427
9127833266657483
1030200320331031
11969397a562744
123479036210733
1313b0b54c271c6
147659bbc1470b
153758a64260a6
hex1b778f5d8d17

30200320331031 has 32 divisors (see below), whose sum is σ = 42072601241088. Its totient is φ = 19233085132800.

The previous prime is 30200320331023. The next prime is 30200320331053. The reversal of 30200320331031 is 13013302300203.

It is not a de Polignac number, because 30200320331031 - 23 = 30200320331023 is a prime.

It is a super-2 number, since 2×302003203310312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30200320330989 and 30200320331007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200320331431) 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, 274450935 + ... + 274560951.

It is an arithmetic number, because the mean of its divisors is an integer number (1314768788784).

Almost surely, 230200320331031 is an apocalyptic number.

30200320331031 is a deficient number, since it is larger than the sum of its proper divisors (11872280910057).

30200320331031 is a wasteful number, since it uses less digits than its factorization.

30200320331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115191.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30200320331031 its reverse (13013302300203), we get a palindrome (43213622631234).

The spelling of 30200320331031 in words is "thirty trillion, two hundred billion, three hundred twenty million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 3 23 69 947 2841 4201 12603 21781 65343 96623 110017 289869 330051 2530391 3978347 7591173 11935041 91501981 104186099 274505943 312558297 462181417 1386544251 2396280277 7188840831 10630172591 31890517773 437685801899 1313057405697 10066773443677 30200320331031