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131310231010157 is a prime number
BaseRepresentation
bin11101110110110100001011…
…101011001011101101101101
3122012221010122202210220111002
4131312310023223023231231
5114202341323114311112
61143135030511410045
736441564635426123
oct3566641353135555
9565833582726432
10131310231010157
11389263a1177811
1212888976823925
13583666a190a94
14245d640441913
15102aa317ae1c2
hex776d0bacbb6d

131310231010157 has 2 divisors, whose sum is σ = 131310231010158. Its totient is φ = 131310231010156.

The previous prime is 131310231010099. The next prime is 131310231010159. The reversal of 131310231010157 is 751010132013131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96432773160361 + 34877457849796 = 9820019^2 + 5905714^2 .

It is a cyclic number.

It is not a de Polignac number, because 131310231010157 - 228 = 131309962574701 is a prime.

Together with 131310231010159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131310231010159) 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 as a sum of consecutive naturals, namely, 65655115505078 + 65655115505079.

It is an arithmetic number, because the mean of its divisors is an integer number (65655115505079).

Almost surely, 2131310231010157 is an apocalyptic number.

It is an amenable number.

131310231010157 is a deficient number, since it is larger than the sum of its proper divisors (1).

131310231010157 is an equidigital number, since it uses as much as digits as its factorization.

131310231010157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

Adding to 131310231010157 its reverse (751010132013131), we get a palindrome (882320363023288).

The spelling of 131310231010157 in words is "one hundred thirty-one trillion, three hundred ten billion, two hundred thirty-one million, ten thousand, one hundred fifty-seven".