340130231 has 4 divisors (see below), whose sum is σ = 388720272. Its totient is φ = 291540192.

The previous prime is 340130213. The next prime is 340130243. The reversal of 340130231 is 132031043.

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: 132031043 = 8647 ⋅15269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340130231 is a prime.

It is a super-2 number, since 2×340130231² = 231377148080226722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340130201) 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 3 ways as a sum of consecutive naturals, for example, 24295010 + ... + 24295023.

It is an arithmetic number, because the mean of its divisors is an integer number (97180068).

Almost surely, 2^340130231 is an apocalyptic number.

340130231 is a deficient number, since it is larger than the sum of its proper divisors (48590041).

340130231 is an equidigital number, since it uses as much as digits as its factorization.

340130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48590040.

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

The square root of 340130231 is about 18442.6199602985. The cubic root of 340130231 is about 698.0423062017.

Adding to 340130231 its reverse (132031043), we get a palindrome (472161274).

The spelling of 340130231 in words is "three hundred forty million, one hundred thirty thousand, two hundred thirty-one".