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30231223117 is a prime number
BaseRepresentation
bin11100001001111010…
…111101101101001101
32220000212101020212021
4130021322331231031
5443403143114432
621515452010141
72120105104504
oct341172755515
986025336767
1030231223117
1111903812417
125a38460951
132b0a262004
14166b03783b
15bbe09e697
hex709ebdb4d

30231223117 has 2 divisors, whose sum is σ = 30231223118. Its totient is φ = 30231223116.

The previous prime is 30231223091. The next prime is 30231223123. The reversal of 30231223117 is 71132213203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29193481321 + 1037741796 = 170861^2 + 32214^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231223117 - 215 = 30231190349 is a prime.

It is a super-2 number, since 2×302312231172 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231223091 and 30231223100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115611558 + 15115611559.

It is an arithmetic number, because the mean of its divisors is an integer number (15115611559).

Almost surely, 230231223117 is an apocalyptic number.

It is an amenable number.

30231223117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231223117 is an equidigital number, since it uses as much as digits as its factorization.

30231223117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 30231223117 in words is "thirty billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred seventeen".