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3420211231 = 10601322631
BaseRepresentation
bin1100101111011100…
…0100100000011111
322211100201201210001
43023313010200133
524001033224411
61323214555131
7150520213213
oct31367044037
98740651701
103420211231
1114a5690358
127b5508aa7
13426781438
1424634c943
151503eadc1
hexcbdc481f

3420211231 has 4 divisors (see below), whose sum is σ = 3420544464. Its totient is φ = 3419878000.

The previous prime is 3420211229. The next prime is 3420211247. The reversal of 3420211231 is 1321120243.

It is a happy number.

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 3420211231 - 21 = 3420211229 is a prime.

It is a super-2 number, since 2×34202112312 = 23395689729317070722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420211199 and 3420211208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420211031) 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 3 ways as a sum of consecutive naturals, for example, 150715 + ... + 171916.

It is an arithmetic number, because the mean of its divisors is an integer number (855136116).

Almost surely, 23420211231 is an apocalyptic number.

3420211231 is a deficient number, since it is larger than the sum of its proper divisors (333233).

3420211231 is a wasteful number, since it uses less digits than its factorization.

3420211231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333232.

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

The square root of 3420211231 is about 58482.5720279127. The cubic root of 3420211231 is about 1506.6682723169.

Adding to 3420211231 its reverse (1321120243), we get a palindrome (4741331474).

The spelling of 3420211231 in words is "three billion, four hundred twenty million, two hundred eleven thousand, two hundred thirty-one".

Divisors: 1 10601 322631 3420211231