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131320103100303 = 31349132377211811
BaseRepresentation
bin11101110110111101011000…
…000110001101111110001111
3122012222002010202220001021110
4131312331120012031332033
5114203022032343202203
61143143342244503103
736442364401004055
oct3566753006157617
9565862122801243
10131320103100303
113892a5a77681a7
121288a8709aaa93
135837581514c40
14245dcd95ca1d5
15102ae0d302d03
hex776f5818df8f

131320103100303 has 32 divisors (see below), whose sum is σ = 188952964284672. Its totient is φ = 80644912185600.

The previous prime is 131320103100301. The next prime is 131320103100311. The reversal of 131320103100303 is 303001301023131.

It is not a de Polignac number, because 131320103100303 - 21 = 131320103100301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131320103100303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320103100301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619881268 + ... + 620093078.

It is an arithmetic number, because the mean of its divisors is an integer number (5904780133896).

Almost surely, 2131320103100303 is an apocalyptic number.

131320103100303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131320103100303 is a deficient number, since it is larger than the sum of its proper divisors (57632861184369).

131320103100303 is a wasteful number, since it uses less digits than its factorization.

131320103100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244695.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 131320103100303 its reverse (303001301023131), we get a palindrome (434321404123434).

The spelling of 131320103100303 in words is "one hundred thirty-one trillion, three hundred twenty billion, one hundred three million, one hundred thousand, three hundred three".

Divisors: 1 3 13 39 491 1473 6383 19149 32377 97131 211811 420901 635433 1262703 2753543 8260629 15897107 47691321 103999201 206662391 311997603 619987173 1351989613 4055968839 6857804747 20573414241 89151461711 267454385133 3367182130777 10101546392331 43773367700101 131320103100303