343221332140031 has 16 divisors (see below), whose sum is σ = 369828011562240. Its totient is φ = 317474636552640.

The previous prime is 343221332140019. The next prime is 343221332140039. The reversal of 343221332140031 is 130041233122343.

It is a cyclic number.

It is not a de Polignac number, because 343221332140031 - 2²⁶ = 343221265031167 is a prime.

It is a super-2 number, since 2×343221332140031² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 343221332140031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343221332140039) 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, 77624675 + ... + 81926996.

It is an arithmetic number, because the mean of its divisors is an integer number (23114250722640).

Almost surely, 2^{343221332140031} is an apocalyptic number.

343221332140031 is a deficient number, since it is larger than the sum of its proper divisors (26606679422209).

343221332140031 is a wasteful number, since it uses less digits than its factorization.

343221332140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159554366.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 343221332140031 its reverse (130041233122343), we get a palindrome (473262565262374).

The spelling of 343221332140031 in words is "three hundred forty-three trillion, two hundred twenty-one billion, three hundred thirty-two million, one hundred forty thousand, thirty-one".