1303113045 has 64 divisors (see below), whose sum is σ = 2311545600. Its totient is φ = 622786560.

The previous prime is 1303113041. The next prime is 1303113059. The reversal of 1303113045 is 5403113031.

It is not a de Polignac number, because 1303113045 - 2² = 1303113041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303113041) 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 63 ways as a sum of consecutive naturals, for example, 3109846 + ... + 3110264.

It is an arithmetic number, because the mean of its divisors is an integer number (36117900).

Almost surely, 2^1303113045 is an apocalyptic number.

1303113045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303113045 is a deficient number, since it is larger than the sum of its proper divisors (1008432555).

1303113045 is a wasteful number, since it uses less digits than its factorization.

1303113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1303113045 is about 36098.6571079867. The cubic root of 1303113045 is about 1092.2633565931.

Adding to 1303113045 its reverse (5403113031), we get a palindrome (6706226076).

The spelling of 1303113045 in words is "one billion, three hundred three million, one hundred thirteen thousand, forty-five".