1303212330 has 72 divisors (see below), whose sum is σ = 3941565732. Its totient is φ = 297876096.

The previous prime is 1303212319. The next prime is 1303212349. The reversal of 1303212330 is 332123031.

1303212330 is a `hidden beast` number, since 13 + 0 + 321 + 2 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1303137801 + 74529 = 36099^2 + 273^2 .

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 35 ways as a sum of consecutive naturals, for example, 143347 + ... + 152166.

Almost surely, 2^1303212330 is an apocalyptic number.

1303212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303212330 is an abundant number, since it is smaller than the sum of its proper divisors (2638353402).

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

1303212330 is a wasteful number, since it uses less digits than its factorization.

1303212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295540 (or 295530 counting only the distinct ones).

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

The square root of 1303212330 is about 36100.0322714537. The cubic root of 1303212330 is about 1092.2910959653.

Adding to 1303212330 its reverse (332123031), we get a palindrome (1635335361).

It can be divided in two parts, 130321 and 2330, that added together give a cube (132651 = 51³).

The spelling of 1303212330 in words is "one billion, three hundred three million, two hundred twelve thousand, three hundred thirty".