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131454613 is a prime number
BaseRepresentation
bin1111101010111…
…01011010010101
3100011100120211101
413311131122111
5232123021423
621013310101
73154226413
oct765353225
9304316741
10131454613
1168225884
1238035331
13213078c4
141365c2b3
15b8197ad
hex7d5d695

131454613 has 2 divisors, whose sum is σ = 131454614. Its totient is φ = 131454612.

The previous prime is 131454581. The next prime is 131454623. The reversal of 131454613 is 316454131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110313009 + 21141604 = 10503^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 131454613 - 25 = 131454581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131454623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65727306 + 65727307.

It is an arithmetic number, because the mean of its divisors is an integer number (65727307).

Almost surely, 2131454613 is an apocalyptic number.

It is an amenable number.

131454613 is a deficient number, since it is larger than the sum of its proper divisors (1).

131454613 is an equidigital number, since it uses as much as digits as its factorization.

131454613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 131454613 is about 11465.3658031482. The cubic root of 131454613 is about 508.4621275253.

The spelling of 131454613 in words is "one hundred thirty-one million, four hundred fifty-four thousand, six hundred thirteen".