3331123897 has 2 divisors, whose sum is σ = 3331123898. Its totient is φ = 3331123896.

The previous prime is 3331123883. The next prime is 3331123903. The reversal of 3331123897 is 7983211333.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3254017936 + 77105961 = 57044^2 + 8781^2 .

It is an emirp because it is prime and its reverse (7983211333) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3331123897 is a prime.

It is a super-2 number, since 2×3331123897² = 22192772834328933218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331123847) 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, 1665561948 + 1665561949.

It is an arithmetic number, because the mean of its divisors is an integer number (1665561949).

Almost surely, 2^3331123897 is an apocalyptic number.

It is an amenable number.

3331123897 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331123897 is an equidigital number, since it uses as much as digits as its factorization.

3331123897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 3331123897 is about 57715.8894672862. The cubic root of 3331123897 is about 1493.4714632883.

The spelling of 3331123897 in words is "three billion, three hundred thirty-one million, one hundred twenty-three thousand, eight hundred ninety-seven".