343402042040311 has 8 divisors (see below), whose sum is σ = 350456771362464. Its totient is φ = 336408926075040.

The previous prime is 343402042040297. The next prime is 343402042040371. The reversal of 343402042040311 is 113040240204343.

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

It is a cyclic number.

It is not a de Polignac number, because 343402042040311 - 2¹⁵ = 343402042007543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343402042040371) 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, 15403327960 + ... + 15403350253.

It is an arithmetic number, because the mean of its divisors is an integer number (43807096420308).

Almost surely, 2^{343402042040311} is an apocalyptic number.

343402042040311 is a deficient number, since it is larger than the sum of its proper divisors (7054729322153).

343402042040311 is a wasteful number, since it uses less digits than its factorization.

343402042040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30806678441.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 343402042040311 its reverse (113040240204343), we get a palindrome (456442282244654).

The spelling of 343402042040311 in words is "three hundred forty-three trillion, four hundred two billion, forty-two million, forty thousand, three hundred eleven".