342831138243 has 16 divisors (see below), whose sum is σ = 512140866816. Its totient is φ = 202160867040.

The previous prime is 342831138241. The next prime is 342831138253.

342831138243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 342831138243 - 2¹ = 342831138241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 342831138195 and 342831138204.

It is not an unprimeable number, because it can be changed into a prime (342831138241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140388271 + ... + 140390712.

It is an arithmetic number, because the mean of its divisors is an integer number (32008804176).

Almost surely, 2^342831138243 is an apocalyptic number.

342831138243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

342831138243 is a deficient number, since it is larger than the sum of its proper divisors (169309728573).

342831138243 is a wasteful number, since it uses less digits than its factorization.

342831138243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280779034.

The product of its digits is 331776, while the sum is 42.

The spelling of 342831138243 in words is "three hundred forty-two billion, eight hundred thirty-one million, one hundred thirty-eight thousand, two hundred forty-three".