1303232130 has 96 divisors (see below), whose sum is σ = 3497223600. Its totient is φ = 336462336.

The previous prime is 1303232129. The next prime is 1303232137. The reversal of 1303232130 is 312323031.

1303232130 is a `hidden beast` number, since 1 + 303 + 232 + 130 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 962054289 + 341177841 = 31017^2 + 18471^2 .

It is a super-3 number, since 3×1303232130³ (a number of 28 digits) contains 333 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1303232137) 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 47 ways as a sum of consecutive naturals, for example, 761716 + ... + 763424.

Almost surely, 2^1303232130 is an apocalyptic number.

1303232130 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 1303232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748611800).

1303232130 is an abundant number, since it is smaller than the sum of its proper divisors (2193991470).

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

1303232130 is a wasteful number, since it uses less digits than its factorization.

1303232130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1985 counting only the distinct ones).

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

The square root of 1303232130 is about 36100.3065083941. The cubic root of 1303232130 is about 1092.2966277459.

Adding to 1303232130 its reverse (312323031), we get a palindrome (1615555161).

Subtracting from 1303232130 its reverse (312323031), we obtain a palindrome (990909099).

The spelling of 1303232130 in words is "one billion, three hundred three million, two hundred thirty-two thousand, one hundred thirty".