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13001130103031 = 729242328799181
BaseRepresentation
bin1011110100110000111110…
…1111011101000011110111
31201000220012002222201012022
42331030033233131003313
53201002303301244111
643352345310343355
72511205060332410
oct275141757350367
951026162881168
1013001130103031
114162826005944
12155b8581bab5b
13734002b48c35
1432d38815c807
151782c89b72db
hexbd30fbdd0f7

13001130103031 has 32 divisors (see below), whose sum is σ = 15384154521600. Its totient is φ = 10750208595840.

The previous prime is 13001130103019. The next prime is 13001130103067. The reversal of 13001130103031 is 13030103110031.

It is not a de Polignac number, because 13001130103031 - 218 = 13001129840887 is a prime.

It is a super-2 number, since 2×130011301030312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001130103831) 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, 1416086261 + ... + 1416095441.

It is an arithmetic number, because the mean of its divisors is an integer number (480754828800).

Almost surely, 213001130103031 is an apocalyptic number.

13001130103031 is a deficient number, since it is larger than the sum of its proper divisors (2383024418569).

13001130103031 is a wasteful number, since it uses less digits than its factorization.

13001130103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14519.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 13001130103031 its reverse (13030103110031), we get a palindrome (26031233213062).

The spelling of 13001130103031 in words is "thirteen trillion, one billion, one hundred thirty million, one hundred three thousand, thirty-one".

Divisors: 1 7 29 203 2423 2879 9181 16961 20153 64267 70267 83491 266249 491869 584437 1863743 6975817 22245563 26432099 48830719 155718941 185024693 202298693 645121327 766530871 1416090851 4515849289 5365716097 64044975877 448314831139 1857304300433 13001130103031