340231402 has 24 divisors (see below), whose sum is σ = 606308544. Its totient is φ = 142709112.

The previous prime is 340231363. The next prime is 340231439. The reversal of 340231402 is 204132043.

It is a self number, because there is not a number n which added to its sum of digits gives 340231402.

It is an unprimeable number.

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, 32328 + ... + 41539.

It is an arithmetic number, because the mean of its divisors is an integer number (25262856).

Almost surely, 2^340231402 is an apocalyptic number.

340231402 is a deficient number, since it is larger than the sum of its proper divisors (266077142).

340231402 is a wasteful number, since it uses less digits than its factorization.

340231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73930 (or 73923 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 340231402 is about 18445.3626150315. The cubic root of 340231402 is about 698.1115097310. Note that the first 3 decimals are identical.

Adding to 340231402 its reverse (204132043), we get a palindrome (544363445).

The spelling of 340231402 in words is "three hundred forty million, two hundred thirty-one thousand, four hundred two".