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2023303130221 = 6971290245751
BaseRepresentation
bin11101011100010110010…
…000111010110001101101
321011102111110210112001011
4131130112100322301231
5231122211100131341
64145254223545221
7266115223562152
oct35342620726155
97142443715034
102023303130221
1171009496249a
1228816815b211
13118a48379019
146dcdd728229
153796dc18b81
hex1d71643ac6d

2023303130221 has 4 divisors (see below), whose sum is σ = 2023593382944. Its totient is φ = 2023012877500.

The previous prime is 2023303130197. The next prime is 2023303130231. The reversal of 2023303130221 is 1220313033202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023303130221 - 239 = 1473547316333 is a prime.

It is a super-3 number, since 3×20233031302213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023303130192 and 2023303130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023303130231) 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, 145115905 + ... + 145129846.

It is an arithmetic number, because the mean of its divisors is an integer number (505898345736).

Almost surely, 22023303130221 is an apocalyptic number.

It is an amenable number.

2023303130221 is a deficient number, since it is larger than the sum of its proper divisors (290252723).

2023303130221 is an equidigital number, since it uses as much as digits as its factorization.

2023303130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290252722.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2023303130221 its reverse (1220313033202), we get a palindrome (3243616163423).

The spelling of 2023303130221 in words is "two trillion, twenty-three billion, three hundred three million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 6971 290245751 2023303130221