243031431334130 has 8 divisors (see below), whose sum is σ = 437456576401452. Its totient is φ = 97212572533648.

The previous prime is 243031431334123. The next prime is 243031431334163. The reversal of 243031431334130 is 31433134130342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238243268987161 + 4788162346969 = 15435131^2 + 2188187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12151571566697 + ... + 12151571566716.

Almost surely, 2^{243031431334130} is an apocalyptic number.

243031431334130 is a deficient number, since it is larger than the sum of its proper divisors (194425145067322).

243031431334130 is a wasteful number, since it uses less digits than its factorization.

243031431334130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24303143133420.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 243031431334130 its reverse (31433134130342), we get a palindrome (274464565464472).

The spelling of 243031431334130 in words is "two hundred forty-three trillion, thirty-one billion, four hundred thirty-one million, three hundred thirty-four thousand, one hundred thirty".