3143101421 has 2 divisors, whose sum is σ = 3143101422. Its totient is φ = 3143101420.

The previous prime is 3143101417. The next prime is 3143101447. The reversal of 3143101421 is 1241013413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2414641321 + 728460100 = 49139^2 + 26990^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143101421 - 2² = 3143101417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3143101393 and 3143101402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3143100421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571550710 + 1571550711.

It is an arithmetic number, because the mean of its divisors is an integer number (1571550711).

Almost surely, 2^3143101421 is an apocalyptic number.

It is an amenable number.

3143101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143101421 is an equidigital number, since it uses as much as digits as its factorization.

3143101421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3143101421 is about 56063.3696900213. The cubic root of 3143101421 is about 1464.8263095148.

Adding to 3143101421 its reverse (1241013413), we get a palindrome (4384114834).

The spelling of 3143101421 in words is "three billion, one hundred forty-three million, one hundred one thousand, four hundred twenty-one".