331130089 has 2 divisors, whose sum is σ = 331130090. Its totient is φ = 331130088.

The previous prime is 331130069. The next prime is 331130101. The reversal of 331130089 is 980031133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319515625 + 11614464 = 17875^2 + 3408^2 .

It is a cyclic number.

It is not a de Polignac number, because 331130089 - 2⁹ = 331129577 is a prime.

It is a super-2 number, since 2×331130089² = 219294271682295842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331130069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165565044 + 165565045.

It is an arithmetic number, because the mean of its divisors is an integer number (165565045).

Almost surely, 2^331130089 is an apocalyptic number.

It is an amenable number.

331130089 is a deficient number, since it is larger than the sum of its proper divisors (1).

331130089 is an equidigital number, since it uses as much as digits as its factorization.

331130089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 331130089 is about 18196.9802165085. The cubic root of 331130089 is about 691.8302518642.

The spelling of 331130089 in words is "three hundred thirty-one million, one hundred thirty thousand, eighty-nine".