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131003130303220 = 2257935736645023
BaseRepresentation
bin11101110010010110001011…
…000010111101001011110100
3122011211202222101122121000011
4131302112023002331023310
5114132323402324200340
61142342001321430004
736410443456456120
oct3562261302751364
9564752871577004
10131003130303220
113881812a8a227a
121283934b33b304
135813708228a46
14244c82a24a580
151022a5aa420ea
hex77258b0bd2f4

131003130303220 has 24 divisors (see below), whose sum is σ = 314407512728064. Its totient is φ = 44915358961056.

The previous prime is 131003130303193. The next prime is 131003130303277. The reversal of 131003130303220 is 22303031300131.

It is a junction number, because it is equal to n+sod(n) for n = 131003130303191 and 131003130303200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467868322372 + ... + 467868322651.

It is an arithmetic number, because the mean of its divisors is an integer number (13100313030336).

Almost surely, 2131003130303220 is an apocalyptic number.

131003130303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131003130303220 is an abundant number, since it is smaller than the sum of its proper divisors (183404382424844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131003130303220 is a wasteful number, since it uses less digits than its factorization.

131003130303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935736645039 (or 935736645037 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131003130303220 its reverse (22303031300131), we get a palindrome (153306161603351).

The spelling of 131003130303220 in words is "one hundred thirty-one trillion, three billion, one hundred thirty million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 935736645023 1871473290046 3742946580092 4678683225115 6550156515161 9357366450230 13100313030322 18714732900460 26200626060644 32750782575805 65501565151610 131003130303220