3142341821 has 2 divisors, whose sum is σ = 3142341822. Its totient is φ = 3142341820.

The previous prime is 3142341799. The next prime is 3142341859. The reversal of 3142341821 is 1281432413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1854249721 + 1288092100 = 43061^2 + 35890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142341821 - 2²⁶ = 3075232957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142343821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571170910 + 1571170911.

It is an arithmetic number, because the mean of its divisors is an integer number (1571170911).

Almost surely, 2^3142341821 is an apocalyptic number.

It is an amenable number.

3142341821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142341821 is an equidigital number, since it uses as much as digits as its factorization.

3142341821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 29.

The square root of 3142341821 is about 56056.5948038230. The cubic root of 3142341821 is about 1464.7082974451.

The spelling of 3142341821 in words is "three billion, one hundred forty-two million, three hundred forty-one thousand, eight hundred twenty-one".