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311020200212230 = 2531102020021223
BaseRepresentation
bin100011010110111110000100…
…0100011010011011100000110
31111210020020111111212100222001
41012231330020203103130012
5311231223332223242410
63021252412452255514
7122340316333640425
oct10655741043233406
91453206444770861
10311020200212230
1190111a20815903
122aa7196b91159a
1310471104833572
1456b365aacd2bc
1525e553863133a
hex11adf088d3706

311020200212230 has 8 divisors (see below), whose sum is σ = 559836360382032. Its totient is φ = 124408080084888.

The previous prime is 311020200212209. The next prime is 311020200212231. The reversal of 311020200212230 is 32212002020113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 311020200212198 and 311020200212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311020200212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15551010010602 + ... + 15551010010621.

It is an arithmetic number, because the mean of its divisors is an integer number (69979545047754).

Almost surely, 2311020200212230 is an apocalyptic number.

311020200212230 is a deficient number, since it is larger than the sum of its proper divisors (248816160169802).

311020200212230 is a wasteful number, since it uses less digits than its factorization.

311020200212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31102020021230.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 311020200212230 its reverse (32212002020113), we get a palindrome (343232202232343).

The spelling of 311020200212230 in words is "three hundred eleven trillion, twenty billion, two hundred million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 31102020021223 62204040042446 155510100106115 311020200212230