343111031 has 8 divisors (see below), whose sum is σ = 349550544. Its totient is φ = 336697920.

The previous prime is 343111009. The next prime is 343111103. The reversal of 343111031 is 130111343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343111031 - 2⁶ = 343110967 is a prime.

It is a super-2 number, since 2×343111031² = 235450359187765922, 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 (343111331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20675 + ... + 33371.

It is an arithmetic number, because the mean of its divisors is an integer number (43693818).

Almost surely, 2^343111031 is an apocalyptic number.

343111031 is a deficient number, since it is larger than the sum of its proper divisors (6439513).

343111031 is a wasteful number, since it uses less digits than its factorization.

343111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 343111031 is about 18523.2564901531. The cubic root of 343111031 is about 700.0755231440.

Adding to 343111031 its reverse (130111343), we get a palindrome (473222374).

The spelling of 343111031 in words is "three hundred forty-three million, one hundred eleven thousand, thirty-one".