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131214773 is a prime number
BaseRepresentation
bin1111101001000…
…10110110110101
3100010220101211102
413310202312311
5232042333043
621004215445
73152210234
oct764426665
9303811742
10131214773
1168081668
1237b3a585
13212526a1
14135d8b1b
15b7bd6b8
hex7d22db5

131214773 has 2 divisors, whose sum is σ = 131214774. Its totient is φ = 131214772.

The previous prime is 131214751. The next prime is 131214833. The reversal of 131214773 is 377412131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106543684 + 24671089 = 10322^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 131214773 - 210 = 131213749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131214373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607386 + 65607387.

It is an arithmetic number, because the mean of its divisors is an integer number (65607387).

Almost surely, 2131214773 is an apocalyptic number.

It is an amenable number.

131214773 is a deficient number, since it is larger than the sum of its proper divisors (1).

131214773 is an equidigital number, since it uses as much as digits as its factorization.

131214773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 29.

The square root of 131214773 is about 11454.9017018916. The cubic root of 131214773 is about 508.1527081875.

The spelling of 131214773 in words is "one hundred thirty-one million, two hundred fourteen thousand, seven hundred seventy-three".