1230530302 has 4 divisors (see below), whose sum is σ = 1845795456. Its totient is φ = 615265150.

The previous prime is 1230530293. The next prime is 1230530303. The reversal of 1230530302 is 2030350321.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1230530302² = 3028409648280422408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1230530302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230530303) 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 as a sum of consecutive naturals, namely, 307632574 + ... + 307632577.

It is an arithmetic number, because the mean of its divisors is an integer number (461448864).

Almost surely, 2^1230530302 is an apocalyptic number.

1230530302 is a deficient number, since it is larger than the sum of its proper divisors (615265154).

1230530302 is an equidigital number, since it uses as much as digits as its factorization.

1230530302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615265153.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1230530302 is about 35078.9153481119. The cubic root of 1230530302 is about 1071.5952279053.

Adding to 1230530302 its reverse (2030350321), we get a palindrome (3260880623).

The spelling of 1230530302 in words is "one billion, two hundred thirty million, five hundred thirty thousand, three hundred two".