331141117 has 2 divisors, whose sum is σ = 331141118. Its totient is φ = 331141116.

The previous prime is 331141091. The next prime is 331141201. The reversal of 331141117 is 711141133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328116996 + 3024121 = 18114^2 + 1739^2 .

It is an emirp because it is prime and its reverse (711141133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331141117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331141817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165570558 + 165570559.

It is an arithmetic number, because the mean of its divisors is an integer number (165570559).

Almost surely, 2^331141117 is an apocalyptic number.

It is an amenable number.

331141117 is a deficient number, since it is larger than the sum of its proper divisors (1).

331141117 is an equidigital number, since it uses as much as digits as its factorization.

331141117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 331141117 is about 18197.2832312958. The cubic root of 331141117 is about 691.8379320475.

The spelling of 331141117 in words is "three hundred thirty-one million, one hundred forty-one thousand, one hundred seventeen".