243352154125131 has 16 divisors (see below), whose sum is σ = 341831268493440. Its totient is φ = 153568123862400.

The previous prime is 243352154125111. The next prime is 243352154125147. The reversal of 243352154125131 is 131521451253342.

It is a de Polignac number, because none of the positive numbers 2^k-243352154125131 is a prime.

It is a super-3 number, since 3×243352154125131³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (243352154125111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777340385 + ... + 1777477298.

It is an arithmetic number, because the mean of its divisors is an integer number (21364454280840).

Almost surely, 2^{243352154125131} is an apocalyptic number.

243352154125131 is a deficient number, since it is larger than the sum of its proper divisors (98479114368309).

243352154125131 is a wasteful number, since it uses less digits than its factorization.

243352154125131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554818906.

The product of its digits is 432000, while the sum is 42.

The spelling of 243352154125131 in words is "two hundred forty-three trillion, three hundred fifty-two billion, one hundred fifty-four million, one hundred twenty-five thousand, one hundred thirty-one".