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131420301101 = 1198491096549
BaseRepresentation
bin111101001100101000…
…0101010011100101101
3110120012220111000110022
41322121100222130231
54123122044113401
6140212413051525
712331501061615
oct1723120523455
9416186430408
10131420301101
115080a3743a1
1221578486ba5
13c51521079b
146509d83a45
1536428b871b
hex1e9942a72d

131420301101 has 4 divisors (see below), whose sum is σ = 131421517500. Its totient is φ = 131419084704.

The previous prime is 131420301079. The next prime is 131420301113. The reversal of 131420301101 is 101103024131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101103024131 = 472151128173.

It can be written as a sum of positive squares in 2 ways, for example, as 56741622025 + 74678679076 = 238205^2 + 273274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131420301101 is a prime.

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 131420301101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420301161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428426 + ... + 668123.

It is an arithmetic number, because the mean of its divisors is an integer number (32855379375).

Almost surely, 2131420301101 is an apocalyptic number.

It is an amenable number.

131420301101 is a deficient number, since it is larger than the sum of its proper divisors (1216399).

131420301101 is a wasteful number, since it uses less digits than its factorization.

131420301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216398.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131420301101 its reverse (101103024131), we get a palindrome (232523325232).

The spelling of 131420301101 in words is "one hundred thirty-one billion, four hundred twenty million, three hundred one thousand, one hundred one".

Divisors: 1 119849 1096549 131420301101