1303130430 has 160 divisors (see below), whose sum is σ = 4022853120. Its totient is φ = 296498880.

The previous prime is 1303130377. The next prime is 1303130443. The reversal of 1303130430 is 340313031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1763001 + ... + 1763739.

It is an arithmetic number, because the mean of its divisors is an integer number (25142832).

Almost surely, 2^1303130430 is an apocalyptic number.

1303130430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303130430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2011426560).

1303130430 is an abundant number, since it is smaller than the sum of its proper divisors (2719722690).

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

1303130430 is a wasteful number, since it uses less digits than its factorization.

1303130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1303130430 is about 36098.8979056148. The cubic root of 1303130430 is about 1092.2682139138.

Adding to 1303130430 its reverse (340313031), we get a palindrome (1643443461).

The spelling of 1303130430 in words is "one billion, three hundred three million, one hundred thirty thousand, four hundred thirty".