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214313022021 = 3731329205871
BaseRepresentation
bin1100011110011000001…
…1010011001001000101
3202111011211202112120010
43013212003103021011
512002403113201041
6242242023500433
721324606426120
oct3074603231105
9674154675503
10214313022021
118298712851a
1235650bb7719
1317295738087
14a530d9b3b7
155894cd9a16
hex31e60d3245

214313022021 has 16 divisors (see below), whose sum is σ = 337106812928. Its totient is φ = 118514113200.

The previous prime is 214313022019. The next prime is 214313022047. The reversal of 214313022021 is 120220313412.

It is not a de Polignac number, because 214313022021 - 21 = 214313022019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214313020021) 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 in 15 ways as a sum of consecutive naturals, for example, 164602285 + ... + 164603586.

It is an arithmetic number, because the mean of its divisors is an integer number (21069175808).

Almost surely, 2214313022021 is an apocalyptic number.

214313022021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214313022021 is a deficient number, since it is larger than the sum of its proper divisors (122793790907).

214313022021 is a wasteful number, since it uses less digits than its factorization.

214313022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329205912.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 214313022021 its reverse (120220313412), we get a palindrome (334533335433).

The spelling of 214313022021 in words is "two hundred fourteen billion, three hundred thirteen million, twenty-two thousand, twenty-one".

Divisors: 1 3 7 21 31 93 217 651 329205871 987617613 2304441097 6913323291 10205382001 30616146003 71437674007 214313022021