Search a number
930042031 is a prime number
BaseRepresentation
bin110111011011110…
…101000010101111
32101211001000211011
4313123311002233
53401042321111
6232142010051
732022140542
oct6733650257
92354030734
10930042031
11437a91386
1221b576927
1311a8b4839
148b73a859
15569b3021
hex376f50af

930042031 has 2 divisors, whose sum is σ = 930042032. Its totient is φ = 930042030.

The previous prime is 930042023. The next prime is 930042059. The reversal of 930042031 is 130240039.

It is a weak prime.

It is an emirp because it is prime and its reverse (130240039) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 930042031 - 23 = 930042023 is a prime.

It is a super-2 number, since 2×9300420312 = 1729956358853209922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 930041993 and 930042011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (930042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465021015 + 465021016.

It is an arithmetic number, because the mean of its divisors is an integer number (465021016).

Almost surely, 2930042031 is an apocalyptic number.

930042031 is a deficient number, since it is larger than the sum of its proper divisors (1).

930042031 is an equidigital number, since it uses as much as digits as its factorization.

930042031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 930042031 is about 30496.5904815604. The cubic root of 930042031 is about 976.1147122712.

The spelling of 930042031 in words is "nine hundred thirty million, forty-two thousand, thirty-one".