1303113040 has 20 divisors (see below), whose sum is σ = 3029738004. Its totient is φ = 521245184.

The previous prime is 1303113017. The next prime is 1303113041. The reversal of 1303113040 is 403113031.

It can be written as a sum of positive squares in 2 ways, for example, as 176570944 + 1126542096 = 13288^2 + 33564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144377 + ... + 8144536.

Almost surely, 2^1303113040 is an apocalyptic number.

1303113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303113040 is an abundant number, since it is smaller than the sum of its proper divisors (1726624964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303113040 is a wasteful number, since it uses less digits than its factorization.

1303113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16288926 (or 16288920 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1303113040 is about 36098.6570387321. The cubic root of 1303113040 is about 1092.2633551961.

Adding to 1303113040 its reverse (403113031), we get a palindrome (1706226071).

Subtracting from 1303113040 its reverse (403113031), we obtain a palindrome (900000009).

The spelling of 1303113040 in words is "one billion, three hundred three million, one hundred thirteen thousand, forty".