Search a number
-
+
1042300031 is a prime number
BaseRepresentation
bin111110001000000…
…011110001111111
32200122021022211212
4332020003301333
54113312100111
6251232035035
734554255413
oct7610036177
92618238755
101042300031
11495395493
12251092a7b
13137c2a8a6
149c5dcd43
156178998b
hex3e203c7f

1042300031 has 2 divisors, whose sum is σ = 1042300032. Its totient is φ = 1042300030.

The previous prime is 1042300019. The next prime is 1042300033. The reversal of 1042300031 is 1300032401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042300031 - 226 = 975191167 is a prime.

It is a super-2 number, since 2×10423000312 = 2172778709245201922, which contains 22 as substring.

Together with 1042300033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042299979 and 1042300015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042300033) 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 as a sum of consecutive naturals, namely, 521150015 + 521150016.

It is an arithmetic number, because the mean of its divisors is an integer number (521150016).

Almost surely, 21042300031 is an apocalyptic number.

1042300031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042300031 is an equidigital number, since it uses as much as digits as its factorization.

1042300031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1042300031 is about 32284.6717654059. The cubic root of 1042300031 is about 1013.9057442924.

Adding to 1042300031 its reverse (1300032401), we get a palindrome (2342332432).

The spelling of 1042300031 in words is "one billion, forty-two million, three hundred thousand, thirty-one".