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42422223031 = 1371631899701
BaseRepresentation
bin100111100000100011…
…111100000010110111
311001111110220012211121
4213200203330002313
51143340042114111
631253303244411
73031155642346
oct474043740267
9131443805747
1042422223031
1116a9a26a061
12827b149707
134000b4c426
1420a6173b5d
15118449c871
hex9e08fc0b7

42422223031 has 8 divisors (see below), whose sum is σ = 42994055664. Its totient is φ = 41854190400.

The previous prime is 42422222989. The next prime is 42422223089. The reversal of 42422223031 is 13032222424.

42422223031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42422223031 - 27 = 42422222903 is a prime.

It is a super-2 number, since 2×424222230312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42422222987 and 42422223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422263031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927520 + ... + 972181.

It is an arithmetic number, because the mean of its divisors is an integer number (5374256958).

Almost surely, 242422223031 is an apocalyptic number.

42422223031 is a deficient number, since it is larger than the sum of its proper divisors (571832633).

42422223031 is a wasteful number, since it uses less digits than its factorization.

42422223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900001.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42422223031 its reverse (13032222424), we get a palindrome (55454445455).

The spelling of 42422223031 in words is "forty-two billion, four hundred twenty-two million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 137 163 22331 1899701 260259037 309651263 42422223031