243131400210 has 32 divisors (see below), whose sum is σ = 593405455680. Its totient is φ = 63736140608.

The previous prime is 243131400203. The next prime is 243131400227. The reversal of 243131400210 is 12004131342.

It is a super-2 number, since 2×243131400210² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68679417 + ... + 68682956.

It is an arithmetic number, because the mean of its divisors is an integer number (18543920490).

Almost surely, 2^243131400210 is an apocalyptic number.

243131400210 is an abundant number, since it is smaller than the sum of its proper divisors (350274055470).

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

243131400210 is a wasteful number, since it uses less digits than its factorization.

243131400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137362442.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 243131400210 its reverse (12004131342), we get a palindrome (255135531552).

The spelling of 243131400210 in words is "two hundred forty-three billion, one hundred thirty-one million, four hundred thousand, two hundred ten".