343044031421 has 16 divisors (see below), whose sum is σ = 422337955200. Its totient is φ = 271335935808.

The previous prime is 343044031397. The next prime is 343044031423. The reversal of 343044031421 is 124130440343.

It is a happy number.

It is not a de Polignac number, because 343044031421 - 2¹⁴ = 343044015037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343044031423) 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, 281786 + ... + 874923.

It is an arithmetic number, because the mean of its divisors is an integer number (26396122200).

Almost surely, 2^343044031421 is an apocalyptic number.

It is an amenable number.

343044031421 is a deficient number, since it is larger than the sum of its proper divisors (79293923779).

343044031421 is a wasteful number, since it uses less digits than its factorization.

343044031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159988.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 343044031421 its reverse (124130440343), we get a palindrome (467174471764).

The spelling of 343044031421 in words is "three hundred forty-three billion, forty-four million, thirty-one thousand, four hundred twenty-one".