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213223112301 = 371074370767
BaseRepresentation
bin1100011010010100010…
…1100111111001101101
3202101100212220101111110
43012211011213321231
511443140104043201
6241541531142233
721255603356553
oct3064505477155
9671325811443
10213223112301
1182477985191
12353a7ba4979
13171509ab094
14a46a327bd3
15582e2986d6
hex31a5167e6d

213223112301 has 4 divisors (see below), whose sum is σ = 284297483072. Its totient is φ = 142148741532.

The previous prime is 213223112287. The next prime is 213223112309. The reversal of 213223112301 is 103211322312.

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 not a de Polignac number, because 213223112301 - 234 = 196043243117 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 (213223112309) 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, 35537185381 + ... + 35537185386.

It is an arithmetic number, because the mean of its divisors is an integer number (71074370768).

Almost surely, 2213223112301 is an apocalyptic number.

It is an amenable number.

213223112301 is a deficient number, since it is larger than the sum of its proper divisors (71074370771).

213223112301 is an equidigital number, since it uses as much as digits as its factorization.

213223112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71074370770.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213223112301 its reverse (103211322312), we get a palindrome (316434434613).

The spelling of 213223112301 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred twelve thousand, three hundred one".

Divisors: 1 3 71074370767 213223112301