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131310301123 = 327174013519
BaseRepresentation
bin111101001001010110…
…1000010111111000011
3110112221020111102212001
41322102231002333003
54122410414113443
6140153443244431
712325664100151
oct1722255027703
9415836442761
10131310301123
1150763272821
1221547679717
13c4c84a8441
1464d950c3d1
153637ddad4d
hex1e92b42fc3

131310301123 has 4 divisors (see below), whose sum is σ = 131314347360. Its totient is φ = 131306254888.

The previous prime is 131310301099. The next prime is 131310301201. The reversal of 131310301123 is 321103013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131310301123 - 225 = 131276746691 is a prime.

It is a super-2 number, since 2×1313103011232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131310301123.

It is not an unprimeable number, because it can be changed into a prime (131310301523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974043 + ... + 2039476.

It is an arithmetic number, because the mean of its divisors is an integer number (32828586840).

Almost surely, 2131310301123 is an apocalyptic number.

131310301123 is a deficient number, since it is larger than the sum of its proper divisors (4046237).

131310301123 is an equidigital number, since it uses as much as digits as its factorization.

131310301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046236.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131310301123 its reverse (321103013131), we get a palindrome (452413314254).

The spelling of 131310301123 in words is "one hundred thirty-one billion, three hundred ten million, three hundred one thousand, one hundred twenty-three".

Divisors: 1 32717 4013519 131310301123