1020030313 has 2 divisors, whose sum is σ = 1020030314. Its totient is φ = 1020030312.

The previous prime is 1020030307. The next prime is 1020030353. The reversal of 1020030313 is 3130300201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587723049 + 432307264 = 24243^2 + 20792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020030313 - 2¹³ = 1020022121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020030293 and 1020030302.

It is not a weakly prime, because it can be changed into another prime (1020030353) 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, 510015156 + 510015157.

It is an arithmetic number, because the mean of its divisors is an integer number (510015157).

Almost surely, 2^1020030313 is an apocalyptic number.

It is an amenable number.

1020030313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020030313 is an equidigital number, since it uses as much as digits as its factorization.

1020030313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1020030313 is about 31937.9134102402. The cubic root of 1020030313 is about 1006.6326812764.

Adding to 1020030313 its reverse (3130300201), we get a palindrome (4150330514).

The spelling of 1020030313 in words is "one billion, twenty million, thirty thousand, three hundred thirteen".