3121432927 has 2 divisors, whose sum is σ = 3121432928. Its totient is φ = 3121432926.

The previous prime is 3121432921. The next prime is 3121432939. The reversal of 3121432927 is 7292341213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121432927 - 2⁷ = 3121432799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121432892 and 3121432901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121432921) 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, 1560716463 + 1560716464.

It is an arithmetic number, because the mean of its divisors is an integer number (1560716464).

Almost surely, 2^3121432927 is an apocalyptic number.

3121432927 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121432927 is an equidigital number, since it uses as much as digits as its factorization.

3121432927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 3121432927 is about 55869.7854568997. The cubic root of 3121432927 is about 1461.4523807970.

The spelling of 3121432927 in words is "three billion, one hundred twenty-one million, four hundred thirty-two thousand, nine hundred twenty-seven".