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213001021230131 = 297768794544297
BaseRepresentation
bin110000011011100100101010…
…001101010000110000110011
31000221011200212101202110020002
4300123210222031100300303
5210404302042413331011
62033003152430340215
762602546604361431
oct6033445215206063
91027150771673202
10213001021230131
1161961253617392
121ba8103705a66b
1391b0baa6a8784
143a85439521d51
1519959a31ecc3b
hexc1b92a350c33

213001021230131 has 8 divisors (see below), whose sum is σ = 220348722690720. Its totient is φ = 205653509013568.

The previous prime is 213001021230103. The next prime is 213001021230163. The reversal of 213001021230131 is 131032120100312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213001021230131 is a prime.

It is a super-2 number, since 2×2130010212301312 (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 (213001021230191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45019226 + ... + 49525071.

It is an arithmetic number, because the mean of its divisors is an integer number (27543590336340).

Almost surely, 2213001021230131 is an apocalyptic number.

213001021230131 is a deficient number, since it is larger than the sum of its proper divisors (7347701460589).

213001021230131 is an equidigital number, since it uses as much as digits as its factorization.

213001021230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94622013.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213001021230131 its reverse (131032120100312), we get a palindrome (344033141330443).

The spelling of 213001021230131 in words is "two hundred thirteen trillion, one billion, twenty-one million, two hundred thirty thousand, one hundred thirty-one".

Divisors: 1 29 77687 2252923 94544297 2741784613 7344862801039 213001021230131