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30131112041 is a prime number
BaseRepresentation
bin11100000011111101…
…000100100001101001
32212202220000002021122
4130003331010201221
5443202031041131
621501514145025
72114451140462
oct340375044151
985686002248
1030131112041
1111862255498
125a0aa22175
132ac25acaa4
14165ba17d69
15bb53c6d7b
hex703f44869

30131112041 has 2 divisors, whose sum is σ = 30131112042. Its totient is φ = 30131112040.

The previous prime is 30131111971. The next prime is 30131112043. The reversal of 30131112041 is 14021113103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18603868816 + 11527243225 = 136396^2 + 107365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30131112041 is a prime.

Together with 30131112043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30131112043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065556020 + 15065556021.

It is an arithmetic number, because the mean of its divisors is an integer number (15065556021).

Almost surely, 230131112041 is an apocalyptic number.

It is an amenable number.

30131112041 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131112041 is an equidigital number, since it uses as much as digits as its factorization.

30131112041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30131112041 its reverse (14021113103), we get a palindrome (44152225144).

The spelling of 30131112041 in words is "thirty billion, one hundred thirty-one million, one hundred twelve thousand, forty-one".