343311233421 has 16 divisors (see below), whose sum is σ = 498498598080. Its totient is φ = 208894646400.

The previous prime is 343311233411. The next prime is 343311233467. The reversal of 343311233421 is 124332113343.

It is not a de Polignac number, because 343311233421 - 2⁵ = 343311233389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343311233401) 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, 49450755 + ... + 49457696.

It is an arithmetic number, because the mean of its divisors is an integer number (31156162380).

Almost surely, 2^343311233421 is an apocalyptic number.

It is an amenable number.

343311233421 is a deficient number, since it is larger than the sum of its proper divisors (155187364659).

343311233421 is a wasteful number, since it uses less digits than its factorization.

343311233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98908556.

The product of its digits is 15552, while the sum is 30.

Adding to 343311233421 its reverse (124332113343), we get a palindrome (467643346764).

The spelling of 343311233421 in words is "three hundred forty-three billion, three hundred eleven million, two hundred thirty-three thousand, four hundred twenty-one".