343331214123431 has 16 divisors (see below), whose sum is σ = 355212746491680. Its totient is φ = 331620601643520.

The previous prime is 343331214123343. The next prime is 343331214123463. The reversal of 343331214123431 is 134321412133343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343331214123431 is a prime.

It is a super-2 number, since 2×343331214123431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343331214120431) 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, 17261096 + ... + 31378461.

It is an arithmetic number, because the mean of its divisors is an integer number (22200796655730).

Almost surely, 2^{343331214123431} is an apocalyptic number.

343331214123431 is a deficient number, since it is larger than the sum of its proper divisors (11881532368249).

343331214123431 is a wasteful number, since it uses less digits than its factorization.

343331214123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641314.

The product of its digits is 186624, while the sum is 38.

Adding to 343331214123431 its reverse (134321412133343), we get a palindrome (477652626256774).

The spelling of 343331214123431 in words is "three hundred forty-three trillion, three hundred thirty-one billion, two hundred fourteen million, one hundred twenty-three thousand, four hundred thirty-one".