343444140143031 has 16 divisors (see below), whose sum is σ = 482428218045440. Its totient is φ = 216731478902400.

The previous prime is 343444140143029. The next prime is 343444140143063. The reversal of 343444140143031 is 130341041444343.

It is not a de Polignac number, because 343444140143031 - 2¹ = 343444140143029 is a prime.

It is a super-2 number, since 2×343444140143031² (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 (343444140143021) 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, 2508397735 + ... + 2508534648.

It is an arithmetic number, because the mean of its divisors is an integer number (30151763627840).

Almost surely, 2^{343444140143031} is an apocalyptic number.

343444140143031 is a deficient number, since it is larger than the sum of its proper divisors (138984077902409).

343444140143031 is a wasteful number, since it uses less digits than its factorization.

343444140143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016933606.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 343444140143031 its reverse (130341041444343), we get a palindrome (473785181587374).

The spelling of 343444140143031 in words is "three hundred forty-three trillion, four hundred forty-four billion, one hundred forty million, one hundred forty-three thousand, thirty-one".