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1241330231 is a prime number
BaseRepresentation
bin100100111111101…
…0011001000110111
310012111210002221202
41021333103020313
510020240031411
6323102003115
742522063401
oct11177231067
93174702852
101241330231
11587775859
122a787649b
1316a23563b
14bac0bb71
1573ea183b
hex49fd3237

1241330231 has 2 divisors, whose sum is σ = 1241330232. Its totient is φ = 1241330230.

The previous prime is 1241330221. The next prime is 1241330257. The reversal of 1241330231 is 1320331421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1241330231 is a prime.

It is a super-2 number, since 2×12413302312 = 3081801484789026722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241330221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620665115 + 620665116.

It is an arithmetic number, because the mean of its divisors is an integer number (620665116).

Almost surely, 21241330231 is an apocalyptic number.

1241330231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241330231 is an equidigital number, since it uses as much as digits as its factorization.

1241330231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1241330231 is about 35232.5166713932. The cubic root of 1241330231 is about 1074.7211047912.

Adding to 1241330231 its reverse (1320331421), we get a palindrome (2561661652).

The spelling of 1241330231 in words is "one billion, two hundred forty-one million, three hundred thirty thousand, two hundred thirty-one".