302011421 has 2 divisors, whose sum is σ = 302011422. Its totient is φ = 302011420.

The previous prime is 302011417. The next prime is 302011433. The reversal of 302011421 is 124110203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266179225 + 35832196 = 16315^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 302011421 - 2² = 302011417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302011396 and 302011405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302011471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151005710 + 151005711.

It is an arithmetic number, because the mean of its divisors is an integer number (151005711).

Almost surely, 2^302011421 is an apocalyptic number.

It is an amenable number.

302011421 is a deficient number, since it is larger than the sum of its proper divisors (1).

302011421 is an equidigital number, since it uses as much as digits as its factorization.

302011421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 302011421 is about 17378.4757962256. The cubic root of 302011421 is about 670.9257426581.

Adding to 302011421 its reverse (124110203), we get a palindrome (426121624).

It can be divided in two parts, 3020 and 11421, that added together give a palindrome (14441).

The spelling of 302011421 in words is "three hundred two million, eleven thousand, four hundred twenty-one".