1020015313 has 2 divisors, whose sum is σ = 1020015314. Its totient is φ = 1020015312.

The previous prime is 1020015287. The next prime is 1020015377. The reversal of 1020015313 is 3135100201.

1020015313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929518144 + 90497169 = 30488^2 + 9513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020015313 - 2⁵ = 1020015281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020015013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510007656 + 510007657.

It is an arithmetic number, because the mean of its divisors is an integer number (510007657).

Almost surely, 2^1020015313 is an apocalyptic number.

It is an amenable number.

1020015313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020015313 is an equidigital number, since it uses as much as digits as its factorization.

1020015313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1020015313 is about 31937.6785787571. The cubic root of 1020015313 is about 1006.6277469250.

Adding to 1020015313 its reverse (3135100201), we get a palindrome (4155115514).

The spelling of 1020015313 in words is "one billion, twenty million, fifteen thousand, three hundred thirteen".