243103021302 has 32 divisors (see below), whose sum is σ = 518806753920. Its totient is φ = 75717737280.

The previous prime is 243103021289. The next prime is 243103021309. The reversal of 243103021302 is 203120301342.

243103021302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243103021309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14597724 + ... + 14614367.

It is an arithmetic number, because the mean of its divisors is an integer number (16212711060).

Almost surely, 2^243103021302 is an apocalyptic number.

243103021302 is an abundant number, since it is smaller than the sum of its proper divisors (275703732618).

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

243103021302 is a wasteful number, since it uses less digits than its factorization.

243103021302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29212188.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 243103021302 its reverse (203120301342), we get a palindrome (446223322644).

The spelling of 243103021302 in words is "two hundred forty-three billion, one hundred three million, twenty-one thousand, three hundred two".