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30131022022 = 2191405119471
BaseRepresentation
bin11100000011111100…
…101110100011000110
32212202212211111210121
4130003330232203012
5443202020201042
621501512212154
72114450314153
oct340374564306
985685744717
1030131022022
11118621a38a2
125a0a99a05a
132ac257ab1a
14165b9d322a
15bb53aa367
hex703f2e8c6

30131022022 has 16 divisors (see below), whose sum is σ = 45446713344. Its totient is φ = 14982165000.

The previous prime is 30131021989. The next prime is 30131022083. The reversal of 30131022022 is 22022013103.

It is a junction number, because it is equal to n+sod(n) for n = 30131021987 and 30131022005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537747 + ... + 1557217.

It is an arithmetic number, because the mean of its divisors is an integer number (2840419584).

Almost surely, 230131022022 is an apocalyptic number.

30131022022 is a deficient number, since it is larger than the sum of its proper divisors (15315691322).

30131022022 is a wasteful number, since it uses less digits than its factorization.

30131022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23715.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30131022022 its reverse (22022013103), we get a palindrome (52153035125).

The spelling of 30131022022 in words is "thirty billion, one hundred thirty-one million, twenty-two thousand, twenty-two".

Divisors: 1 2 191 382 4051 8102 19471 38942 773741 1547482 3718961 7437922 78877021 157754042 15065511011 30131022022