1304231224189 has 2 divisors, whose sum is σ = 1304231224190. Its totient is φ = 1304231224188.

The previous prime is 1304231224187. The next prime is 1304231224249. The reversal of 1304231224189 is 9814221324031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156629268089 + 147601956100 = 1075467^2 + 384190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304231224189 - 2¹ = 1304231224187 is a prime.

It is a super-2 number, since 2×1304231224189² (a number of 25 digits) contains 22 as substring.

Together with 1304231224187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304231224187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652115612094 + 652115612095.

It is an arithmetic number, because the mean of its divisors is an integer number (652115612095).

Almost surely, 2^{1304231224189} is an apocalyptic number.

It is an amenable number.

1304231224189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304231224189 is an equidigital number, since it uses as much as digits as its factorization.

1304231224189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 1304231224189 in words is "one trillion, three hundred four billion, two hundred thirty-one million, two hundred twenty-four thousand, one hundred eighty-nine".