1321300030 has 32 divisors (see below), whose sum is σ = 2520383040. Its totient is φ = 497844480.

The previous prime is 1321300009. The next prime is 1321300031. The reversal of 1321300030 is 300031231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321300031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43674 + ... + 67453.

It is an arithmetic number, because the mean of its divisors is an integer number (78761970).

Almost surely, 2^1321300030 is an apocalyptic number.

1321300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321300030 is a deficient number, since it is larger than the sum of its proper divisors (1199083010).

1321300030 is a wasteful number, since it uses less digits than its factorization.

1321300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111204.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1321300030 is about 36349.6909202816. The cubic root of 1321300030 is about 1097.3213141984.

Adding to 1321300030 its reverse (300031231), we get a palindrome (1621331261).

The spelling of 1321300030 in words is "one billion, three hundred twenty-one million, three hundred thousand, thirty".