340563031 has 4 divisors (see below), whose sum is σ = 345228352. Its totient is φ = 335897712.

The previous prime is 340563029. The next prime is 340563043. The reversal of 340563031 is 130365043.

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

It is a cyclic number.

It is not a de Polignac number, because 340563031 - 2¹ = 340563029 is a prime.

It is a super-2 number, since 2×340563031² = 231966356167813922, 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 = 340562987 and 340563005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340563931) 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, 2332551 + ... + 2332696.

It is an arithmetic number, because the mean of its divisors is an integer number (86307088).

Almost surely, 2^340563031 is an apocalyptic number.

340563031 is a deficient number, since it is larger than the sum of its proper divisors (4665321).

340563031 is an equidigital number, since it uses as much as digits as its factorization.

340563031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665320.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 340563031 is about 18454.3499208181. The cubic root of 340563031 is about 698.3382562346.

The spelling of 340563031 in words is "three hundred forty million, five hundred sixty-three thousand, thirty-one".