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30323123110231 = 74331874730033
BaseRepresentation
bin1101110010100001001101…
…11110110100000101010111
310222100212021120211111022021
412321100212332310011113
512433303224004011411
6144254130032514011
76246526154455240
oct671204676640527
9128325246744267
1030323123110231
119730a67523306
1234989a86ab907
1313bc5c59a27b3
1476b90b4a5cc7
15378b924b4a71
hex1b9426fb4157

30323123110231 has 4 divisors (see below), whose sum is σ = 34654997840272. Its totient is φ = 25991248380192.

The previous prime is 30323123110213. The next prime is 30323123110249. The reversal of 30323123110231 is 13201132132303.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30323123110213) and next prime (30323123110249).

It is a cyclic number.

It is not a de Polignac number, because 30323123110231 - 213 = 30323123102039 is a prime.

It is a super-2 number, since 2×303231231102312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30323123110196 and 30323123110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323123110211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165937365010 + ... + 2165937365023.

It is an arithmetic number, because the mean of its divisors is an integer number (8663749460068).

Almost surely, 230323123110231 is an apocalyptic number.

30323123110231 is a deficient number, since it is larger than the sum of its proper divisors (4331874730041).

30323123110231 is an equidigital number, since it uses as much as digits as its factorization.

30323123110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331874730040.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30323123110231 its reverse (13201132132303), we get a palindrome (43524255242534).

The spelling of 30323123110231 in words is "thirty trillion, three hundred twenty-three billion, one hundred twenty-three million, one hundred ten thousand, two hundred thirty-one".

Divisors: 1 7 4331874730033 30323123110231