243131403034 has 16 divisors (see below), whose sum is σ = 392758879968. Its totient is φ = 112212164592.

The previous prime is 243131403019. The next prime is 243131403043. The reversal of 243131403034 is 430304131342.

243131403034 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-2 number, since 2×243131403034² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243131402993 and 243131403011.

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, 2257929 + ... + 2363155.

It is an arithmetic number, because the mean of its divisors is an integer number (24547429998).

Almost surely, 2^243131403034 is an apocalyptic number.

243131403034 is a deficient number, since it is larger than the sum of its proper divisors (149627476934).

243131403034 is a wasteful number, since it uses less digits than its factorization.

243131403034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194109.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 243131403034 its reverse (430304131342), we get a palindrome (673435534376).

The spelling of 243131403034 in words is "two hundred forty-three billion, one hundred thirty-one million, four hundred three thousand, thirty-four".