243431222134342 has 576 divisors, whose sum is σ = 471869672601600. Its totient is φ = 93684596544000.

The previous prime is 243431222134283. The next prime is 243431222134357.

243431222134342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243431222134295 and 243431222134304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 334843496383 + ... + 334843497109.

It is an arithmetic number, because the mean of its divisors is an integer number (819218181600).

Almost surely, 2^{243431222134342} is an apocalyptic number.

243431222134342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243431222134342 is a deficient number, since it is larger than the sum of its proper divisors (228438450467258).

243431222134342 is a wasteful number, since it uses less digits than its factorization.

243431222134342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 959 counting only the distinct ones).

The product of its digits is 663552, while the sum is 40.

The spelling of 243431222134342 in words is "two hundred forty-three trillion, four hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-four thousand, three hundred forty-two".