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133096231 is a prime number
BaseRepresentation
bin1111110111011…
…10001100100111
3100021102222201001
413323232030213
5233033034411
621112414131
73204204442
oct773561447
9307388631
10133096231
1169147194
12386a7347
1321760b88
1413968659
15ba40dc1
hex7eee327

133096231 has 2 divisors, whose sum is σ = 133096232. Its totient is φ = 133096230.

The previous prime is 133096219. The next prime is 133096297. The reversal of 133096231 is 132690331.

It is a weak prime.

It is an emirp because it is prime and its reverse (132690331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133096231 - 221 = 130999079 is a prime.

It is a super-2 number, since 2×1330962312 = 35429213412810722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133096231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133096211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66548115 + 66548116.

It is an arithmetic number, because the mean of its divisors is an integer number (66548116).

Almost surely, 2133096231 is an apocalyptic number.

133096231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133096231 is an equidigital number, since it uses as much as digits as its factorization.

133096231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 133096231 is about 11536.7339832381. The cubic root of 133096231 is about 510.5699523273.

The spelling of 133096231 in words is "one hundred thirty-three million, ninety-six thousand, two hundred thirty-one".