3121243327 has 2 divisors, whose sum is σ = 3121243328. Its totient is φ = 3121243326.

The previous prime is 3121243309. The next prime is 3121243331. The reversal of 3121243327 is 7233421213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121243327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121243295 and 3121243304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121243357) 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, 1560621663 + 1560621664.

It is an arithmetic number, because the mean of its divisors is an integer number (1560621664).

Almost surely, 2^3121243327 is an apocalyptic number.

3121243327 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121243327 is an equidigital number, since it uses as much as digits as its factorization.

3121243327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 3121243327 is about 55868.0886284827. The cubic root of 3121243327 is about 1461.4227900088.

The spelling of 3121243327 in words is "three billion, one hundred twenty-one million, two hundred forty-three thousand, three hundred twenty-seven".