343000031 has 16 divisors (see below), whose sum is σ = 385371648. Its totient is φ = 305128120.

The previous prime is 343000003. The next prime is 343000039. The reversal of 343000031 is 130000343.

It is a happy number.

It is not a de Polignac number, because 343000031 - 2⁶ = 342999967 is a prime.

It is a super-2 number, since 2×343000031² = 235298042532001922, which 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 (343000039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59816 + ... + 65298.

It is an arithmetic number, because the mean of its divisors is an integer number (24085728).

Almost surely, 2^343000031 is an apocalyptic number.

343000031 is a deficient number, since it is larger than the sum of its proper divisors (42371617).

343000031 is an equidigital number, since it uses as much as digits as its factorization.

343000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 343000031 is about 18520.2600143734. The cubic root of 343000031 is about 700.0000210884. Note that the first 4 decimals are identical.

Adding to 343000031 its reverse (130000343), we get a palindrome (473000374).

It can be divided in two parts, 3 and 43000031, that added together give a palindrome (43000034).

The spelling of 343000031 in words is "three hundred forty-three million, thirty-one", and thus it is an aban number.