243030131502 has 16 divisors (see below), whose sum is σ = 486102995712. Its totient is φ = 81002921720.

The previous prime is 243030131441. The next prime is 243030131549. The reversal of 243030131502 is 205131030342.

243030131502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×243030131502⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1706358 + ... + 1843289.

It is an arithmetic number, because the mean of its divisors is an integer number (30381437232).

Almost surely, 2^243030131502 is an apocalyptic number.

243030131502 is an abundant number, since it is smaller than the sum of its proper divisors (243072864210).

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

243030131502 is a wasteful number, since it uses less digits than its factorization.

243030131502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561063.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 243030131502 its reverse (205131030342), we get a palindrome (448161161844).

The spelling of 243030131502 in words is "two hundred forty-three billion, thirty million, one hundred thirty-one thousand, five hundred two".