3100040243 has 2 divisors, whose sum is σ = 3100040244. Its totient is φ = 3100040242.

The previous prime is 3100040239. The next prime is 3100040249. The reversal of 3100040243 is 3420400013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3100040243 - 2² = 3100040239 is a prime.

It is a super-2 number, since 2×3100040243² = 19220499016438998098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3100040249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550020121 + 1550020122.

It is an arithmetic number, because the mean of its divisors is an integer number (1550020122).

Almost surely, 2^3100040243 is an apocalyptic number.

3100040243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100040243 is an equidigital number, since it uses as much as digits as its factorization.

3100040243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3100040243 is about 55678.0050199358. The cubic root of 3100040243 is about 1458.1060452949.

Adding to 3100040243 its reverse (3420400013), we get a palindrome (6520440256).

The spelling of 3100040243 in words is "three billion, one hundred million, forty thousand, two hundred forty-three".