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3112422421 is a prime number
BaseRepresentation
bin1011100110000011…
…1100110000010101
322000220120102220111
42321200330300111
522333240004141
61232502003021
7140062103563
oct27140746025
98026512814
103112422421
111357977039
1272a416471
133a7a87394
1421750ca33
1513339e381
hexb983cc15

3112422421 has 2 divisors, whose sum is σ = 3112422422. Its totient is φ = 3112422420.

The previous prime is 3112422371. The next prime is 3112422451. The reversal of 3112422421 is 1242242113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2055262225 + 1057160196 = 45335^2 + 32514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112422421 - 29 = 3112421909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3112422392 and 3112422401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112422451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556211210 + 1556211211.

It is an arithmetic number, because the mean of its divisors is an integer number (1556211211).

Almost surely, 23112422421 is an apocalyptic number.

It is an amenable number.

3112422421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112422421 is an equidigital number, since it uses as much as digits as its factorization.

3112422421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 3112422421 is about 55789.0887270979. The cubic root of 3112422421 is about 1460.0447882989.

Adding to 3112422421 its reverse (1242242113), we get a palindrome (4354664534).

The spelling of 3112422421 in words is "three billion, one hundred twelve million, four hundred twenty-two thousand, four hundred twenty-one".