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131452219 is a prime number
BaseRepresentation
bin1111101010111…
…00110100111011
3100011100110112201
413311130310323
5232122432334
621013251031
73154216423
oct765346473
9304313481
10131452219
1168223aa8
1238033a77
13213067a2
141365b483
15b818c14
hex7d5cd3b

131452219 has 2 divisors, whose sum is σ = 131452220. Its totient is φ = 131452218.

The previous prime is 131452201. The next prime is 131452253. The reversal of 131452219 is 912254131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131452219 - 25 = 131452187 is a prime.

It is a super-2 number, since 2×1314522192 = 34559371760047922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131452319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65726109 + 65726110.

It is an arithmetic number, because the mean of its divisors is an integer number (65726110).

Almost surely, 2131452219 is an apocalyptic number.

131452219 is a deficient number, since it is larger than the sum of its proper divisors (1).

131452219 is an equidigital number, since it uses as much as digits as its factorization.

131452219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 131452219 is about 11465.2614012939. The cubic root of 131452219 is about 508.4590408687.

The spelling of 131452219 in words is "one hundred thirty-one million, four hundred fifty-two thousand, two hundred nineteen".