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131460913 is a prime number
BaseRepresentation
bin1111101010111…
…10111100110001
3100011100220110201
413311132330301
5232123222123
621013355201
73154253653
oct765367461
9304326421
10131460913
116822a591
1238038b01
132130a72c
14136606d3
15b81b5ad
hex7d5ef31

131460913 has 2 divisors, whose sum is σ = 131460914. Its totient is φ = 131460912.

The previous prime is 131460911. The next prime is 131460919. The reversal of 131460913 is 319064131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 10284849 = 11008^2 + 3207^2 .

It is a cyclic number.

It is not a de Polignac number, because 131460913 - 21 = 131460911 is a prime.

Together with 131460911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131460911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65730456 + 65730457.

It is an arithmetic number, because the mean of its divisors is an integer number (65730457).

Almost surely, 2131460913 is an apocalyptic number.

It is an amenable number.

131460913 is a deficient number, since it is larger than the sum of its proper divisors (1).

131460913 is an equidigital number, since it uses as much as digits as its factorization.

131460913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 131460913 is about 11465.6405403274. The cubic root of 131460913 is about 508.4702501266.

The spelling of 131460913 in words is "one hundred thirty-one million, four hundred sixty thousand, nine hundred thirteen".