343011115204531 has 16 divisors (see below), whose sum is σ = 344687921385984. Its totient is φ = 341338929656544.

The previous prime is 343011115204421. The next prime is 343011115204573. The reversal of 343011115204531 is 135402511110343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343011115204531 is a prime.

It is a super-2 number, since 2×343011115204531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343011115004531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428619936 + ... + 429419458.

It is an arithmetic number, because the mean of its divisors is an integer number (21542995086624).

Almost surely, 2^{343011115204531} is an apocalyptic number.

343011115204531 is a deficient number, since it is larger than the sum of its proper divisors (1676806181453).

343011115204531 is a wasteful number, since it uses less digits than its factorization.

343011115204531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802410.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 343011115204531 its reverse (135402511110343), we get a palindrome (478413626314874).

The spelling of 343011115204531 in words is "three hundred forty-three trillion, eleven billion, one hundred fifteen million, two hundred four thousand, five hundred thirty-one".