1303113320 has 16 divisors (see below), whose sum is σ = 2932005060. Its totient is φ = 521245312.

The previous prime is 1303113283. The next prime is 1303113337. The reversal of 1303113320 is 233113031.

It can be written as a sum of positive squares in 2 ways, for example, as 1134477124 + 168636196 = 33682^2 + 12986^2 .

It is a super-2 number, since 2×1303113320² = 3396208649522844800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16288877 + ... + 16288956.

Almost surely, 2^1303113320 is an apocalyptic number.

1303113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303113320 is an abundant number, since it is smaller than the sum of its proper divisors (1628891740).

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

1303113320 is a wasteful number, since it uses less digits than its factorization.

1303113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32577844 (or 32577840 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1303113320 is about 36098.6609169925. The cubic root of 1303113320 is about 1092.2634334276.

Adding to 1303113320 its reverse (233113031), we get a palindrome (1536226351).

The spelling of 1303113320 in words is "one billion, three hundred three million, one hundred thirteen thousand, three hundred twenty".