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213222330301 = 1131886923277
BaseRepresentation
bin1100011010010100001…
…0101000111110111101
3202101100211102122210111
43012211002220332331
511443134404032201
6241541502310021
721255563621641
oct3064502507675
9671324378714
10213222330301
11824774a0702
12353a7888311
1317150796166
14a46a1a2c21
15582e191b51
hex31a50a8fbd

213222330301 has 4 divisors (see below), whose sum is σ = 215109253692. Its totient is φ = 211335406912.

The previous prime is 213222330239. The next prime is 213222330317. The reversal of 213222330301 is 103033222312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8421732900 + 204800597401 = 91770^2 + 452549^2 .

It is a cyclic number.

It is not a de Polignac number, because 213222330301 - 225 = 213188775869 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 (213222330331) 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, 943461526 + ... + 943461751.

It is an arithmetic number, because the mean of its divisors is an integer number (53777313423).

Almost surely, 2213222330301 is an apocalyptic number.

It is an amenable number.

213222330301 is a deficient number, since it is larger than the sum of its proper divisors (1886923391).

213222330301 is a wasteful number, since it uses less digits than its factorization.

213222330301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886923390.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213222330301 its reverse (103033222312), we get a palindrome (316255552613).

The spelling of 213222330301 in words is "two hundred thirteen billion, two hundred twenty-two million, three hundred thirty thousand, three hundred one".

Divisors: 1 113 1886923277 213222330301