340931069 has 4 divisors (see below), whose sum is σ = 341003520. Its totient is φ = 340858620.

The previous prime is 340931053. The next prime is 340931077. The reversal of 340931069 is 960139043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 960139043 = 53 ⋅18115831.

It is a cyclic number.

It is not a de Polignac number, because 340931069 - 2⁴ = 340931053 is a prime.

It is a super-3 number, since 3×340931069³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340931089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28637 + ... + 38754.

It is an arithmetic number, because the mean of its divisors is an integer number (85250880).

Almost surely, 2^340931069 is an apocalyptic number.

It is an amenable number.

340931069 is a deficient number, since it is larger than the sum of its proper divisors (72451).

340931069 is an equidigital number, since it uses as much as digits as its factorization.

340931069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72450.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 340931069 is about 18464.3188068231. The cubic root of 340931069 is about 698.5897246012.

The spelling of 340931069 in words is "three hundred forty million, nine hundred thirty-one thousand, sixty-nine".