1303131330 has 24 divisors (see below), whose sum is σ = 3388141692. Its totient is φ = 347501664.

The previous prime is 1303131329. The next prime is 1303131341. The reversal of 1303131330 is 331313031.

1303131330 is a `hidden beast` number, since 1 + 303 + 1 + 31 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1301838561 + 1292769 = 36081^2 + 1137^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7239529 + ... + 7239708.

Almost surely, 2^1303131330 is an apocalyptic number.

1303131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303131330 is an abundant number, since it is smaller than the sum of its proper divisors (2085010362).

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

1303131330 is a wasteful number, since it uses less digits than its factorization.

1303131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14479250 (or 14479247 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1303131330 is about 36098.9103713672. The cubic root of 1303131330 is about 1092.2684653701.

Adding to 1303131330 its reverse (331313031), we get a palindrome (1634444361).

The spelling of 1303131330 in words is "one billion, three hundred three million, one hundred thirty-one thousand, three hundred thirty".