340105331 has 8 divisors (see below), whose sum is σ = 342589104. Its totient is φ = 337629600.

The previous prime is 340105327. The next prime is 340105351. The reversal of 340105331 is 133501043.

It is a happy number.

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 340105331 - 2² = 340105327 is a prime.

It is a super-2 number, since 2×340105331² = 231343272349239122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340105351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101381 + ... + 104681.

It is an arithmetic number, because the mean of its divisors is an integer number (42823638).

Almost surely, 2^340105331 is an apocalyptic number.

340105331 is a deficient number, since it is larger than the sum of its proper divisors (2483773).

340105331 is a wasteful number, since it uses less digits than its factorization.

340105331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 340105331 is about 18441.9448811670. The cubic root of 340105331 is about 698.0252718660.

Adding to 340105331 its reverse (133501043), we get a palindrome (473606374).

The spelling of 340105331 in words is "three hundred forty million, one hundred five thousand, three hundred thirty-one".