3431040247 has 2 divisors, whose sum is σ = 3431040248. Its totient is φ = 3431040246.

The previous prime is 3431040209. The next prime is 3431040259. The reversal of 3431040247 is 7420401343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3431040247 - 2²⁷ = 3296822519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431040287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715520123 + 1715520124.

It is an arithmetic number, because the mean of its divisors is an integer number (1715520124).

Almost surely, 2^3431040247 is an apocalyptic number.

3431040247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431040247 is an equidigital number, since it uses as much as digits as its factorization.

3431040247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 3431040247 is about 58575.0821339586. The cubic root of 3431040247 is about 1508.2567264031.

The spelling of 3431040247 in words is "three billion, four hundred thirty-one million, forty thousand, two hundred forty-seven".