340734531 has 4 divisors (see below), whose sum is σ = 454312712. Its totient is φ = 227156352.

The previous prime is 340734529. The next prime is 340734551. The reversal of 340734531 is 135437043.

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

It is not a de Polignac number, because 340734531 - 2¹ = 340734529 is a prime.

It is a super-2 number, since 2×340734531² = 232200041231579922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340734551) 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 3 ways as a sum of consecutive naturals, for example, 56789086 + ... + 56789091.

It is an arithmetic number, because the mean of its divisors is an integer number (113578178).

Almost surely, 2^340734531 is an apocalyptic number.

340734531 is a deficient number, since it is larger than the sum of its proper divisors (113578181).

340734531 is a wasteful number, since it uses less digits than its factorization.

340734531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113578180.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 340734531 is about 18458.9959369409. The cubic root of 340734531 is about 698.4554591231.

The spelling of 340734531 in words is "three hundred forty million, seven hundred thirty-four thousand, five hundred thirty-one".