1020113013 has 8 divisors (see below), whose sum is σ = 1374173248. Its totient is φ = 673064064.

The previous prime is 1020112981. The next prime is 1020113047. The reversal of 1020113013 is 3103110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020113013 - 2⁵ = 1020112981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020113053) 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 in 7 ways as a sum of consecutive naturals, for example, 1752481 + ... + 1753062.

It is an arithmetic number, because the mean of its divisors is an integer number (171771656).

Almost surely, 2^1020113013 is an apocalyptic number.

It is an amenable number.

1020113013 is a deficient number, since it is larger than the sum of its proper divisors (354060235).

1020113013 is an equidigital number, since it uses as much as digits as its factorization.

1020113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505643.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1020113013 is about 31939.2080834826. The cubic root of 1020113013 is about 1006.6598851324.

Adding to 1020113013 its reverse (3103110201), we get a palindrome (4123223214).

The spelling of 1020113013 in words is "one billion, twenty million, one hundred thirteen thousand, thirteen".