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1213410230101 = 7117090284931
BaseRepresentation
bin10001101010000100111…
…000101011111101010101
311022000000122102101100101
4101222010320223331111
5124340031004330401
62325233304214101
7153444302530546
oct21520470537525
94260018371311
101213410230101
11428671494493
1217720076a331
138a5689704c4
1442a2d55c4cd
152186c172101
hex11a84e2bf55

1213410230101 has 4 divisors (see below), whose sum is σ = 1230500515104. Its totient is φ = 1196319945100.

The previous prime is 1213410230089. The next prime is 1213410230161. The reversal of 1213410230101 is 1010320143121.

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 1213410230101 - 225 = 1213376675669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213410230161) 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, 8545142395 + ... + 8545142536.

It is an arithmetic number, because the mean of its divisors is an integer number (307625128776).

Almost surely, 21213410230101 is an apocalyptic number.

It is an amenable number.

1213410230101 is a deficient number, since it is larger than the sum of its proper divisors (17090285003).

1213410230101 is an equidigital number, since it uses as much as digits as its factorization.

1213410230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17090285002.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1213410230101 its reverse (1010320143121), we get a palindrome (2223730373222).

The spelling of 1213410230101 in words is "one trillion, two hundred thirteen billion, four hundred ten million, two hundred thirty thousand, one hundred one".

Divisors: 1 71 17090284931 1213410230101