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131322031101301 = 1216091079870989
BaseRepresentation
bin11101110110111111001011…
…000000111101010101110101
3122012222021010010202122102211
4131312333023000331111311
5114203040004430220201
61143144301440333421
736442463231515165
oct3566771300752565
9565867103678384
10131322031101301
11389303a6aa8957
121288b10a614271
1358377caaa0931
14246003d6a25a5
15102aec26e2651
hex776fcb03d575

131322031101301 has 4 divisors (see below), whose sum is σ = 131323111093900. Its totient is φ = 131320951108704.

The previous prime is 131322031101293. The next prime is 131322031101343. The reversal of 131322031101301 is 103101130223131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41095779538801 + 90226251562500 = 6410599^2 + 9498750^2 .

It is a cyclic number.

It is not a de Polignac number, because 131322031101301 - 23 = 131322031101293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322031101601) 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 3 ways as a sum of consecutive naturals, for example, 539813886 + ... + 540057103.

It is an arithmetic number, because the mean of its divisors is an integer number (32830777773475).

Almost surely, 2131322031101301 is an apocalyptic number.

It is an amenable number.

131322031101301 is a deficient number, since it is larger than the sum of its proper divisors (1079992599).

131322031101301 is a wasteful number, since it uses less digits than its factorization.

131322031101301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079992598.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 131322031101301 its reverse (103101130223131), we get a palindrome (234423161324432).

The spelling of 131322031101301 in words is "one hundred thirty-one trillion, three hundred twenty-two billion, thirty-one million, one hundred one thousand, three hundred one".

Divisors: 1 121609 1079870989 131322031101301