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13131240101331 = 311101157116321577
BaseRepresentation
bin1011111100010101101011…
…1001101101010111010011
31201111100000200220110010020
42333011122321231113103
53210120234431220311
643532224115234523
72523462241143462
oct277053271552723
951440020813106
1013131240101331
114202a22785360
121580b098a8a43
13743369755101
143357ac09c9d9
1517b891307c06
hexbf15ae6d5d3

13131240101331 has 64 divisors (see below), whose sum is σ = 19429546553856. Its totient is φ = 7822249344000.

The previous prime is 13131240101327. The next prime is 13131240101347. The reversal of 13131240101331 is 13310104213131.

It is not a de Polignac number, because 13131240101331 - 22 = 13131240101327 is a prime.

It is a super-2 number, since 2×131312401013312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13131240101131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 608565015 + ... + 608586591.

It is an arithmetic number, because the mean of its divisors is an integer number (303586664904).

Almost surely, 213131240101331 is an apocalyptic number.

13131240101331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13131240101331 is a deficient number, since it is larger than the sum of its proper divisors (6298306452525).

13131240101331 is a wasteful number, since it uses less digits than its factorization.

13131240101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23012.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13131240101331 its reverse (13310104213131), we get a palindrome (26441344314462).

The spelling of 13131240101331 in words is "thirteen trillion, one hundred thirty-one billion, two hundred forty million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 3 11 33 101 157 303 471 1111 1163 1727 3333 3489 5181 12793 15857 21577 38379 47571 64731 117463 174427 182591 237347 352389 523281 547773 712041 1292093 2008501 2179277 3387589 3876279 6025503 6537831 10162767 18441691 23972047 25094051 37263479 55325073 71916141 75282153 111790437 202858601 276034561 342146489 608575803 828103683 1026439467 2534499151 3763611379 3939766007 7603497453 11290834137 11819298021 27879490661 43337426077 83638471983 130012278231 397916366707 1193749100121 4377080033777 13131240101331