340230531 has 4 divisors (see below), whose sum is σ = 453640712. Its totient is φ = 226820352.

The previous prime is 340230493. The next prime is 340230599. The reversal of 340230531 is 135032043.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 340230531 - 2¹⁰ = 340229507 is a prime.

It is a super-2 number, since 2×340230531² = 231513628449083922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340230498 and 340230507.

It is not an unprimeable number, because it can be changed into a prime (340270531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56705086 + ... + 56705091.

It is an arithmetic number, because the mean of its divisors is an integer number (113410178).

Almost surely, 2^340230531 is an apocalyptic number.

340230531 is a deficient number, since it is larger than the sum of its proper divisors (113410181).

340230531 is a wasteful number, since it uses less digits than its factorization.

340230531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113410180.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 340230531 is about 18445.3390047459. The cubic root of 340230531 is about 698.1109140035.

Adding to 340230531 its reverse (135032043), we get a palindrome (475262574).

It can be divided in two parts, 3402 and 30531, that added together give a palindrome (33933).

The spelling of 340230531 in words is "three hundred forty million, two hundred thirty thousand, five hundred thirty-one".