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131051020030 = 2573354755807
BaseRepresentation
bin111101000001100111…
…1111101111011111110
3110112021011121121001121
41322003033331323332
54121343030120110
6140112022101154
712316365201460
oct1720317757376
9415234547047
10131051020030
115063a980027
122149487a7ba
13c486866488
1464b2cd8130
153620271cda
hex1e833fdefe

131051020030 has 32 divisors (see below), whose sum is σ = 269603536896. Its totient is φ = 44929633824.

The previous prime is 131051019901. The next prime is 131051020043. The reversal of 131051020030 is 30020150131.

It is a super-2 number, since 2×1310510200302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131051019986 and 131051020013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320387 + ... + 2376193.

It is an arithmetic number, because the mean of its divisors is an integer number (8425110528).

Almost surely, 2131051020030 is an apocalyptic number.

131051020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131051020030 is an abundant number, since it is smaller than the sum of its proper divisors (138552516866).

131051020030 is a wasteful number, since it uses less digits than its factorization.

131051020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89368.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 131051020030 its reverse (30020150131), we get a palindrome (161071170161).

The spelling of 131051020030 in words is "one hundred thirty-one billion, fifty-one million, twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 33547 55807 67094 111614 167735 234829 279035 335470 390649 469658 558070 781298 1174145 1953245 2348290 3906490 1872157429 3744314858 9360787145 13105102003 18721574290 26210204006 65525510015 131051020030