302132530421 has 2 divisors, whose sum is σ = 302132530422. Its totient is φ = 302132530420.

The previous prime is 302132530409. The next prime is 302132530423. The reversal of 302132530421 is 124035231203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210943629796 + 91188900625 = 459286^2 + 301975^2 .

It is a cyclic number.

It is not a de Polignac number, because 302132530421 - 2¹⁰ = 302132529397 is a prime.

Together with 302132530423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302132530423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151066265210 + 151066265211.

It is an arithmetic number, because the mean of its divisors is an integer number (151066265211).

Almost surely, 2^302132530421 is an apocalyptic number.

It is an amenable number.

302132530421 is a deficient number, since it is larger than the sum of its proper divisors (1).

302132530421 is an equidigital number, since it uses as much as digits as its factorization.

302132530421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 302132530421 its reverse (124035231203), we get a palindrome (426167761624).

The spelling of 302132530421 in words is "three hundred two billion, one hundred thirty-two million, five hundred thirty thousand, four hundred twenty-one".