340230131 has 4 divisors (see below), whose sum is σ = 358137000. Its totient is φ = 322323264.

The previous prime is 340230127. The next prime is 340230173. The reversal of 340230131 is 131032043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131032043 = 157 ⋅834599.

It is a cyclic number.

It is not a de Polignac number, because 340230131 - 2² = 340230127 is a prime.

It is a super-2 number, since 2×340230131² = 231513084080554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340230181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953406 + ... + 8953443.

It is an arithmetic number, because the mean of its divisors is an integer number (89534250).

Almost surely, 2^340230131 is an apocalyptic number.

340230131 is a deficient number, since it is larger than the sum of its proper divisors (17906869).

340230131 is a wasteful number, since it uses less digits than its factorization.

340230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17906868.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 340230131 is about 18445.3281618951. The cubic root of 340230131 is about 698.1106404199.

Adding to 340230131 its reverse (131032043), we get a palindrome (471262174).

It can be divided in two parts, 3402 and 30131, that added together give a palindrome (33533).

The spelling of 340230131 in words is "three hundred forty million, two hundred thirty thousand, one hundred thirty-one".