1303113513 has 8 divisors (see below), whose sum is σ = 1871137408. Its totient is φ = 801915984.

The previous prime is 1303113457. The next prime is 1303113523. The reversal of 1303113513 is 3153113031.

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

It is not a de Polignac number, because 1303113513 - 2¹² = 1303109417 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 1303113513.

It is not an unprimeable number, because it can be changed into a prime (1303113523) 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 in 7 ways as a sum of consecutive naturals, for example, 16706545 + ... + 16706622.

It is an arithmetic number, because the mean of its divisors is an integer number (233892176).

Almost surely, 2^1303113513 is an apocalyptic number.

1303113513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1303113513 is a deficient number, since it is larger than the sum of its proper divisors (568023895).

1303113513 is a wasteful number, since it uses less digits than its factorization.

1303113513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33413183.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1303113513 is about 36098.6635902217. The cubic root of 1303113513 is about 1092.2634873515.

Adding to 1303113513 its reverse (3153113031), we get a palindrome (4456226544).

The spelling of 1303113513 in words is "one billion, three hundred three million, one hundred thirteen thousand, five hundred thirteen".