340443031 has 8 divisors (see below), whose sum is σ = 351408800. Its totient is φ = 329570208.

The previous prime is 340443001. The next prime is 340443041. The reversal of 340443031 is 130344043.

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 340443031 - 2⁹ = 340442519 is a prime.

It is a super-2 number, since 2×340443031² = 231802914712933922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340442993 and 340443011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340443001) 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 7 ways as a sum of consecutive naturals, for example, 15756 + ... + 30481.

It is an arithmetic number, because the mean of its divisors is an integer number (43926100).

Almost surely, 2^340443031 is an apocalyptic number.

340443031 is a deficient number, since it is larger than the sum of its proper divisors (10965769).

340443031 is a wasteful number, since it uses less digits than its factorization.

340443031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46473.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 340443031 is about 18451.0983683899. The cubic root of 340443031 is about 698.2562249827.

Adding to 340443031 its reverse (130344043), we get a palindrome (470787074).

The spelling of 340443031 in words is "three hundred forty million, four hundred forty-three thousand, thirty-one".