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213002123030131 = 263171809367761
BaseRepresentation
bin110000011011100101101011…
…111000010010111001110011
31000221011210201011222200200111
4300123211223320102321303
5210404311321443431011
62033003454030002151
762602616113462351
oct6033455370227163
91027153634880614
10213002123030131
1161961769550aa6
121ba812a4046357
1391b1024a39836
143a855019ac7d1
151995a19cdc121
hexc1b96be12e73

213002123030131 has 4 divisors (see below), whose sum is σ = 213002932661064. Its totient is φ = 213001313399200.

The previous prime is 213002123030117. The next prime is 213002123030201. The reversal of 213002123030131 is 131030321200312.

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 213002123030131 - 237 = 212864684076659 is a prime.

It is a super-2 number, since 2×2130021230301312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213002123130131) 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, 404420710 + ... + 404947051.

It is an arithmetic number, because the mean of its divisors is an integer number (53250733165266).

Almost surely, 2213002123030131 is an apocalyptic number.

213002123030131 is a deficient number, since it is larger than the sum of its proper divisors (809630933).

213002123030131 is an equidigital number, since it uses as much as digits as its factorization.

213002123030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809630932.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213002123030131 its reverse (131030321200312), we get a palindrome (344032444230443).

The spelling of 213002123030131 in words is "two hundred thirteen trillion, two billion, one hundred twenty-three million, thirty thousand, one hundred thirty-one".

Divisors: 1 263171 809367761 213002123030131