342312121213243 has 4 divisors (see below), whose sum is σ = 342312167488608. Its totient is φ = 342312074937880.

The previous prime is 342312121213217. The next prime is 342312121213277.

342312121213243 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342312121213243 - 2¹³ = 342312121205051 is a prime.

It is a super-3 number, since 3×342312121213243³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342312121213199 and 342312121213208.

It is not an unprimeable number, because it can be changed into a prime (342312121211243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9271996 + ... + 27759577.

It is an arithmetic number, because the mean of its divisors is an integer number (85578041872152).

Almost surely, 2^{342312121213243} is an apocalyptic number.

342312121213243 is a deficient number, since it is larger than the sum of its proper divisors (46275365).

342312121213243 is an equidigital number, since it uses as much as digits as its factorization.

342312121213243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46275364.

The product of its digits is 41472, while the sum is 34.

The spelling of 342312121213243 in words is "three hundred forty-two trillion, three hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred forty-three".