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131050979 is a prime number
BaseRepresentation
bin1111100111110…
…10110111100011
3100010121002010222
413303322313203
5232022112404
621000513255
73150625553
oct763726743
9303532128
10131050979
1167a7a5a4
1237a7b82b
13211c5c77
1413595163
15b789dbe
hex7cfade3

131050979 has 2 divisors, whose sum is σ = 131050980. Its totient is φ = 131050978.

The previous prime is 131050963. The next prime is 131050991. The reversal of 131050979 is 979050131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131050979 - 24 = 131050963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131050949) 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 as a sum of consecutive naturals, namely, 65525489 + 65525490.

It is an arithmetic number, because the mean of its divisors is an integer number (65525490).

Almost surely, 2131050979 is an apocalyptic number.

131050979 is a deficient number, since it is larger than the sum of its proper divisors (1).

131050979 is an equidigital number, since it uses as much as digits as its factorization.

131050979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 131050979 is about 11447.7499535935. The cubic root of 131050979 is about 507.9411796136.

The spelling of 131050979 in words is "one hundred thirty-one million, fifty thousand, nine hundred seventy-nine".