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131211441043030 = 25412958311081793
BaseRepresentation
bin11101110101011000001011…
…010101010111011001010110
3122012120200122221001121021201
4131311120023111113121112
5114144232012401334110
61143021412011503114
736431466553523215
oct3565301325273126
9565520587047251
10131211441043030
1138898506880287
12128717a6157a9a
13582a25527932a
14245894bda307c
15102819d8e2b3a
hex77560b557656

131211441043030 has 32 divisors (see below), whose sum is σ = 241942137651648. Its totient is φ = 51204244377600.

The previous prime is 131211441043027. The next prime is 131211441043061. The reversal of 131211441043030 is 30340144112131.

It is a super-2 number, since 2×1312114410430302 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131211441043030.

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, 120749814 + ... + 121831606.

It is an arithmetic number, because the mean of its divisors is an integer number (7560691801614).

Almost surely, 2131211441043030 is an apocalyptic number.

131211441043030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131211441043030 is a deficient number, since it is larger than the sum of its proper divisors (110730696608618).

131211441043030 is a wasteful number, since it uses less digits than its factorization.

131211441043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377672.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131211441043030 its reverse (30340144112131), we get a palindrome (161551585155161).

The spelling of 131211441043030 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred forty-one million, forty-three thousand, thirty".

Divisors: 1 2 5 10 41 82 205 410 295831 591662 1081793 1479155 2163586 2958310 5408965 10817930 12129071 24258142 44353513 60645355 88707026 121290710 221767565 443535130 320027904983 640055809966 1600139524915 3200279049830 13121144104303 26242288208606 65605720521515 131211441043030