340031830 has 24 divisors (see below), whose sum is σ = 615650976. Its totient is φ = 135218160.

The previous prime is 340031779. The next prime is 340031837. The reversal of 340031830 is 38130043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340031837) 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 11 ways as a sum of consecutive naturals, for example, 734179 + ... + 734641.

It is an arithmetic number, because the mean of its divisors is an integer number (25652124).

Almost surely, 2^340031830 is an apocalyptic number.

340031830 is a deficient number, since it is larger than the sum of its proper divisors (275619146).

340031830 is an equidigital number, since it uses as much as digits as its factorization.

340031830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 340031830 is about 18439.9520064451. The cubic root of 340031830 is about 697.9749842568.

Adding to 340031830 its reverse (38130043), we get a palindrome (378161873).

The spelling of 340031830 in words is "three hundred forty million, thirty-one thousand, eight hundred thirty".