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30293046031 is a prime number
BaseRepresentation
bin11100001101100110…
…110011001100001111
32220012011201011221211
4130031212303030033
5444020004433111
621525541035251
72121455433313
oct341546631417
986164634854
1030293046031
11119356a8936
125a550b5b27
132b19cc9911
14167532bb43
15bc4712521
hex70d9b330f

30293046031 has 2 divisors, whose sum is σ = 30293046032. Its totient is φ = 30293046030.

The previous prime is 30293046013. The next prime is 30293046067. The reversal of 30293046031 is 13064039203.

Together with previous prime (30293046013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (13064039203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30293046031 - 211 = 30293043983 is a prime.

It is a super-2 number, since 2×302930460312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30293045984 and 30293046002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30293446031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15146523015 + 15146523016.

It is an arithmetic number, because the mean of its divisors is an integer number (15146523016).

Almost surely, 230293046031 is an apocalyptic number.

30293046031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30293046031 is an equidigital number, since it uses as much as digits as its factorization.

30293046031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 30293046031 in words is "thirty billion, two hundred ninety-three million, forty-six thousand, thirty-one".