340031039 has 2 divisors, whose sum is σ = 340031040. Its totient is φ = 340031038.

The previous prime is 340030979. The next prime is 340031047. The reversal of 340031039 is 930130043.

It is a strong prime.

It is an emirp because it is prime and its reverse (930130043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340031039 - 2²⁰ = 338982463 is a prime.

It is a super-2 number, since 2×340031039² = 231242214966839042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340031099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170015519 + 170015520.

It is an arithmetic number, because the mean of its divisors is an integer number (170015520).

Almost surely, 2^340031039 is an apocalyptic number.

340031039 is a deficient number, since it is larger than the sum of its proper divisors (1).

340031039 is an equidigital number, since it uses as much as digits as its factorization.

340031039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 340031039 is about 18439.9305584376. The cubic root of 340031039 is about 697.9744430343.

The spelling of 340031039 in words is "three hundred forty million, thirty-one thousand, thirty-nine".