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230021021331 = 32191823316253
BaseRepresentation
bin1101011000111001010…
…0100011111010010011
3210222201120010120201100
43112032110203322103
512232040340140311
6253400432435443
722422064264353
oct3261624437223
9728646116640
10230021021331
1189607962932
12386b56a8b83
13188c9b6451a
14b1c123cb63
155eb3d51a56
hex358e523e93

230021021331 has 24 divisors (see below), whose sum is σ = 334053248256. Its totient is φ = 152516568960.

The previous prime is 230021021261. The next prime is 230021021339. The reversal of 230021021331 is 133120120032.

230021021331 is a `hidden beast` number, since 2 + 300 + 2 + 10 + 21 + 331 = 666.

It is not a de Polignac number, because 230021021331 - 29 = 230021020819 is a prime.

It is a super-2 number, since 2×2300210213312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230021021339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14144401 + ... + 14160653.

It is an arithmetic number, because the mean of its divisors is an integer number (13918885344).

Almost surely, 2230021021331 is an apocalyptic number.

230021021331 is a deficient number, since it is larger than the sum of its proper divisors (104032226925).

230021021331 is a wasteful number, since it uses less digits than its factorization.

230021021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24683 (or 24680 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 230021021331 its reverse (133120120032), we get a palindrome (363141141363).

The spelling of 230021021331 in words is "two hundred thirty billion, twenty-one million, twenty-one thousand, three hundred thirty-one".

Divisors: 1 3 9 191 573 1719 8233 16253 24699 48759 74097 146277 1572503 3104323 4717509 9312969 14152527 27938907 133810949 401432847 1204298541 25557891259 76673673777 230021021331