3141540247 has 2 divisors, whose sum is σ = 3141540248. Its totient is φ = 3141540246.

The previous prime is 3141540221. The next prime is 3141540257. The reversal of 3141540247 is 7420451413.

It is a strong prime.

It is an emirp because it is prime and its reverse (7420451413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3141540247 - 2¹⁹ = 3141015959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141540257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570770123 + 1570770124.

It is an arithmetic number, because the mean of its divisors is an integer number (1570770124).

Almost surely, 2^3141540247 is an apocalyptic number.

3141540247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141540247 is an equidigital number, since it uses as much as digits as its factorization.

3141540247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3141540247 is about 56049.4446627261. Note that the first 3 decimals coincide. The cubic root of 3141540247 is about 1464.5837436357.

The spelling of 3141540247 in words is "three billion, one hundred forty-one million, five hundred forty thousand, two hundred forty-seven".