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131200303013 = 1328335661947
BaseRepresentation
bin111101000110000100…
…1011011111110100101
3110112122120111221210222
41322030021123332211
54122144234144023
6140134513454125
712323160114023
oct1721411337645
9415576457728
10131200303013
115070717259a
1221516871345
13c4ab773bc0
1464c8a77713
15362d40dcc8
hex1e8c25bfa5

131200303013 has 8 divisors (see below), whose sum is σ = 141791905248. Its totient is φ = 120680025264.

The previous prime is 131200302973. The next prime is 131200303021. The reversal of 131200303013 is 310303002131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131200303013 - 216 = 131200237477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131200302982 and 131200303000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200303063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17827295 + ... + 17834652.

It is an arithmetic number, because the mean of its divisors is an integer number (17723988156).

Almost surely, 2131200303013 is an apocalyptic number.

131200303013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131200303013 is a deficient number, since it is larger than the sum of its proper divisors (10591602235).

131200303013 is a wasteful number, since it uses less digits than its factorization.

131200303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35662243.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 131200303013 its reverse (310303002131), we get a palindrome (441503305144).

The spelling of 131200303013 in words is "one hundred thirty-one billion, two hundred million, three hundred three thousand, thirteen".

Divisors: 1 13 283 3679 35661947 463605311 10092331001 131200303013