3121214147 has 2 divisors, whose sum is σ = 3121214148. Its totient is φ = 3121214146.

The previous prime is 3121214123. The next prime is 3121214171. The reversal of 3121214147 is 7414121213.

3121214147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3121214123) and next prime (3121214171).

It is a cyclic number.

It is not a de Polignac number, because 3121214147 - 2¹² = 3121210051 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121214347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560607073 + 1560607074.

It is an arithmetic number, because the mean of its divisors is an integer number (1560607074).

Almost surely, 2^3121214147 is an apocalyptic number.

3121214147 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121214147 is an equidigital number, since it uses as much as digits as its factorization.

3121214147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 3121214147 is about 55867.8274770015. The cubic root of 3121214147 is about 1461.4182357927.

The spelling of 3121214147 in words is "three billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred forty-seven".