243134431342 has 16 divisors (see below), whose sum is σ = 418796150400. Its totient is φ = 104699037240.

The previous prime is 243134431279. The next prime is 243134431357.

243134431342 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×243134431342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243134431298 and 243134431307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290830242 + ... + 290831077.

It is an arithmetic number, because the mean of its divisors is an integer number (26174759400).

Almost surely, 2^243134431342 is an apocalyptic number.

243134431342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243134431342 is a deficient number, since it is larger than the sum of its proper divisors (175661719058).

243134431342 is a wasteful number, since it uses less digits than its factorization.

243134431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581661351.

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 243134 and 431342, that added together give a palindrome (674476).

The spelling of 243134431342 in words is "two hundred forty-three billion, one hundred thirty-four million, four hundred thirty-one thousand, three hundred forty-two".