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30212222001331 = 91133163800221
BaseRepresentation
bin1101101111010010101001…
…10000101010000010110011
310221222021000200211102220111
412313221110300222002303
512424444112313020311
6144131145253122151
76235522011550156
oct667512460520263
9127867020742814
1030212222001331
119698a277637a7
12347b3b8029357
1313b20008b1576
147663ca757c9d
15375d51221d21
hex1b7a54c2a0b3

30212222001331 has 4 divisors (see below), whose sum is σ = 30245385802464. Its totient is φ = 30179058200200.

The previous prime is 30212222001319. The next prime is 30212222001359. The reversal of 30212222001331 is 13310022221203.

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

It is a cyclic number.

It is not a de Polignac number, because 30212222001331 - 219 = 30212221477043 is a prime.

It is a super-2 number, since 2×302122220013312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212222001301) 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, 16581899200 + ... + 16581901021.

It is an arithmetic number, because the mean of its divisors is an integer number (7561346450616).

Almost surely, 230212222001331 is an apocalyptic number.

30212222001331 is a deficient number, since it is larger than the sum of its proper divisors (33163801133).

30212222001331 is an equidigital number, since it uses as much as digits as its factorization.

30212222001331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33163801132.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30212222001331 its reverse (13310022221203), we get a palindrome (43522244222534).

The spelling of 30212222001331 in words is "thirty trillion, two hundred twelve billion, two hundred twenty-two million, one thousand, three hundred thirty-one".

Divisors: 1 911 33163800221 30212222001331