3162201421 has 2 divisors, whose sum is σ = 3162201422. Its totient is φ = 3162201420.

The previous prime is 3162201377. The next prime is 3162201439. The reversal of 3162201421 is 1241022613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2402372196 + 759829225 = 49014^2 + 27565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3162201421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3162201392 and 3162201401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3162201451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1581100710 + 1581100711.

It is an arithmetic number, because the mean of its divisors is an integer number (1581100711).

Almost surely, 2^3162201421 is an apocalyptic number.

It is an amenable number.

3162201421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3162201421 is an equidigital number, since it uses as much as digits as its factorization.

3162201421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3162201421 is about 56233.4546422323. The cubic root of 3162201421 is about 1467.7874718315.

The spelling of 3162201421 in words is "three billion, one hundred sixty-two million, two hundred one thousand, four hundred twenty-one".