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131214833 is a prime number
BaseRepresentation
bin1111101001000…
…10110111110001
3100010220101220122
413310202313301
5232042333313
621004220025
73152210351
oct764426761
9303811818
10131214833
1168081712
1237b3a615
1321252719
14135d8b61
15b7bd708
hex7d22df1

131214833 has 2 divisors, whose sum is σ = 131214834. Its totient is φ = 131214832.

The previous prime is 131214773. The next prime is 131214841. The reversal of 131214833 is 338412131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117137329 + 14077504 = 10823^2 + 3752^2 .

It is an emirp because it is prime and its reverse (338412131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131214833 - 210 = 131213809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (131214533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65607416 + 65607417.

It is an arithmetic number, because the mean of its divisors is an integer number (65607417).

Almost surely, 2131214833 is an apocalyptic number.

It is an amenable number.

131214833 is a deficient number, since it is larger than the sum of its proper divisors (1).

131214833 is an equidigital number, since it uses as much as digits as its factorization.

131214833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 131214833 is about 11454.9043208575. The cubic root of 131214833 is about 508.1527856410.

Adding to 131214833 its reverse (338412131), we get a palindrome (469626964).

The spelling of 131214833 in words is "one hundred thirty-one million, two hundred fourteen thousand, eight hundred thirty-three".