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168112331 is a prime number
BaseRepresentation
bin10100000010100…
…11000011001011
3102201022222202122
422001103003023
5321014043311
624403121455
74110634262
oct1201230313
9381288678
10168112331
1186993312
124837328b
1328aa106a
14184815d9
15eb5b0db
hexa0530cb

168112331 has 2 divisors, whose sum is σ = 168112332. Its totient is φ = 168112330.

The previous prime is 168112283. The next prime is 168112369. The reversal of 168112331 is 133211861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168112331 - 214 = 168095947 is a prime.

It is a super-2 number, since 2×1681123312 = 56523511668507122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168112331.

It is not a weakly prime, because it can be changed into another prime (168112381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84056165 + 84056166.

It is an arithmetic number, because the mean of its divisors is an integer number (84056166).

Almost surely, 2168112331 is an apocalyptic number.

168112331 is a deficient number, since it is larger than the sum of its proper divisors (1).

168112331 is an equidigital number, since it uses as much as digits as its factorization.

168112331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 168112331 is about 12965.8139351141. The cubic root of 168112331 is about 551.9077891113.

The spelling of 168112331 in words is "one hundred sixty-eight million, one hundred twelve thousand, three hundred thirty-one".