1303331130 has 48 divisors (see below), whose sum is σ = 3426756840. Its totient is φ = 343647744.

The previous prime is 1303331059. The next prime is 1303331143. The reversal of 1303331130 is 311333031.

1303331130 is a `hidden beast` number, since 1 + 303 + 331 + 1 + 30 = 666.

1303331130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 701561169 + 601769961 = 26487^2 + 24531^2 .

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 23 ways as a sum of consecutive naturals, for example, 73347 + ... + 89366.

Almost surely, 2^1303331130 is an apocalyptic number.

1303331130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303331130 is an abundant number, since it is smaller than the sum of its proper divisors (2123425710).

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

1303331130 is a wasteful number, since it uses less digits than its factorization.

1303331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162815 (or 162812 counting only the distinct ones).

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

The square root of 1303331130 is about 36101.6776618483. The cubic root of 1303331130 is about 1092.3242858086.

Adding to 1303331130 its reverse (311333031), we get a palindrome (1614664161).

The spelling of 1303331130 in words is "one billion, three hundred three million, three hundred thirty-one thousand, one hundred thirty".