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2213202109931 is a prime number
BaseRepresentation
bin100000001101001101001…
…000000010010111101011
321211120122212020012121222
4200031031020002113223
5242230114220004211
64412421522052255
7315620132352341
oct40151510022753
97746585205558
102213202109931
1178368299063a
122b8b24aaa08b
1313091ca9a9c7
14791960ab991
153c8854c81db
hex2034d2025eb

2213202109931 has 2 divisors, whose sum is σ = 2213202109932. Its totient is φ = 2213202109930.

The previous prime is 2213202109903. The next prime is 2213202110083. The reversal of 2213202109931 is 1399012023122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2213202109931 - 226 = 2213135001067 is a prime.

It is a super-2 number, since 2×22132021099312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2213202109891 and 2213202109900.

It is not a weakly prime, because it can be changed into another prime (2213202109331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106601054965 + 1106601054966.

It is an arithmetic number, because the mean of its divisors is an integer number (1106601054966).

Almost surely, 22213202109931 is an apocalyptic number.

2213202109931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213202109931 is an equidigital number, since it uses as much as digits as its factorization.

2213202109931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 2213202109931 in words is "two trillion, two hundred thirteen billion, two hundred two million, one hundred nine thousand, nine hundred thirty-one".