3100431161 has 2 divisors, whose sum is σ = 3100431162. Its totient is φ = 3100431160.

The previous prime is 3100431157. The next prime is 3100431163. The reversal of 3100431161 is 1611340013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1784555536 + 1315875625 = 42244^2 + 36275^2 .

It is an emirp because it is prime and its reverse (1611340013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3100431161 - 2² = 3100431157 is a prime.

It is a super-2 number, since 2×3100431161² = 19225346768199615842, which contains 22 as substring.

Together with 3100431163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3100431163) 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, 1550215580 + 1550215581.

It is an arithmetic number, because the mean of its divisors is an integer number (1550215581).

Almost surely, 2^3100431161 is an apocalyptic number.

It is an amenable number.

3100431161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100431161 is an equidigital number, since it uses as much as digits as its factorization.

3100431161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3100431161 is about 55681.5154337595. The cubic root of 3100431161 is about 1458.1673322349.

Adding to 3100431161 its reverse (1611340013), we get a palindrome (4711771174).

The spelling of 3100431161 in words is "three billion, one hundred million, four hundred thirty-one thousand, one hundred sixty-one".