3121022147 has 2 divisors, whose sum is σ = 3121022148. Its totient is φ = 3121022146.

The previous prime is 3121022033. The next prime is 3121022159. The reversal of 3121022147 is 7412201213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121022147 - 2¹⁴ = 3121005763 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121022647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560511073 + 1560511074.

It is an arithmetic number, because the mean of its divisors is an integer number (1560511074).

Almost surely, 2^3121022147 is an apocalyptic number.

3121022147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121022147 is an equidigital number, since it uses as much as digits as its factorization.

3121022147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3121022147 is about 55866.1091091907. The cubic root of 3121022147 is about 1461.3882690296.

The spelling of 3121022147 in words is "three billion, one hundred twenty-one million, twenty-two thousand, one hundred forty-seven".