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233013330023131 = 733287618574733
BaseRepresentation
bin110100111110110010100100…
…110000111001001011011011
31010120000212010121101102121001
4310332302210300321023123
5221020142244441220011
62143324502424525431
7100036441352421250
oct6476624460711333
91116025117342531
10233013330023131
1168277442175819
1222173664920877
13a0030a7ab0178
144177c963bd427
151be132899d7c1
hexd3eca4c392db

233013330023131 has 4 divisors (see below), whose sum is σ = 266300948597872. Its totient is φ = 199725711448392.

The previous prime is 233013330023129. The next prime is 233013330023161. The reversal of 233013330023131 is 131320033310332.

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

It is a cyclic number.

It is not a de Polignac number, because 233013330023131 - 21 = 233013330023129 is a prime.

It is a super-2 number, since 2×2330133300231312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233013330023131.

It is not an unprimeable number, because it can be changed into a prime (233013330023161) 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, 16643809287360 + ... + 16643809287373.

It is an arithmetic number, because the mean of its divisors is an integer number (66575237149468).

Almost surely, 2233013330023131 is an apocalyptic number.

233013330023131 is a deficient number, since it is larger than the sum of its proper divisors (33287618574741).

233013330023131 is an equidigital number, since it uses as much as digits as its factorization.

233013330023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33287618574740.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 233013330023131 its reverse (131320033310332), we get a palindrome (364333363333463).

The spelling of 233013330023131 in words is "two hundred thirty-three trillion, thirteen billion, three hundred thirty million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 33287618574733 233013330023131