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131123300201 = 1494871807027
BaseRepresentation
bin111101000011110001…
…1101100011101101001
3110112110012121210210222
41322013203230131221
54122020031101301
6140123123215425
712321233443025
oct1720743543551
9415405553728
10131123300201
1150677759203
12214b4b17575
13c498822aca
1464bc751385
15362679d31b
hex1e878ec769

131123300201 has 8 divisors (see below), whose sum is σ = 132274449600. Its totient is φ = 129975766128.

The previous prime is 131123300179. The next prime is 131123300233. The reversal of 131123300201 is 102003321131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131123300201 is a prime.

It is a super-3 number, since 3×1311233002013 (a number of 34 digits) contains 333 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 131123300201.

It is not an unprimeable number, because it can be changed into a prime (131123300101) 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, 830951 + ... + 976076.

It is an arithmetic number, because the mean of its divisors is an integer number (16534306200).

Almost surely, 2131123300201 is an apocalyptic number.

It is an amenable number.

131123300201 is a deficient number, since it is larger than the sum of its proper divisors (1151149399).

131123300201 is a wasteful number, since it uses less digits than its factorization.

131123300201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807663.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131123300201 its reverse (102003321131), we get a palindrome (233126621332).

The spelling of 131123300201 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred thousand, two hundred one".

Divisors: 1 149 487 72563 1807027 269247023 880022149 131123300201