3121420334343 has 8 divisors (see below), whose sum is σ = 4274377394928. Its totient is φ = 2024705081664.

The previous prime is 3121420334323. The next prime is 3121420334369. The reversal of 3121420334343 is 3434330241213.

It is a happy number.

3121420334343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121420334343 - 2¹² = 3121420330247 is a prime.

It is a super-3 number, since 3×3121420334343³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121420334323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14060451846 + ... + 14060452067.

It is an arithmetic number, because the mean of its divisors is an integer number (534297174366).

Almost surely, 2^{3121420334343} is an apocalyptic number.

3121420334343 is a deficient number, since it is larger than the sum of its proper divisors (1152957060585).

3121420334343 is a wasteful number, since it uses less digits than its factorization.

3121420334343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28120903953.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 3121420334343 its reverse (3434330241213), we get a palindrome (6555750575556).

The spelling of 3121420334343 in words is "three trillion, one hundred twenty-one billion, four hundred twenty million, three hundred thirty-four thousand, three hundred forty-three".