302102404421 has 4 divisors (see below), whose sum is σ = 302103931500. Its totient is φ = 302100877344.

The previous prime is 302102404411. The next prime is 302102404423. The reversal of 302102404421 is 124404201203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286210020196 + 15892384225 = 534986^2 + 126065^2 .

It is a cyclic number.

It is not a de Polignac number, because 302102404421 - 2¹⁴ = 302102388037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302102404423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413216 + ... + 880313.

It is an arithmetic number, because the mean of its divisors is an integer number (75525982875).

Almost surely, 2^302102404421 is an apocalyptic number.

It is an amenable number.

302102404421 is a deficient number, since it is larger than the sum of its proper divisors (1527079).

302102404421 is a wasteful number, since it uses less digits than its factorization.

302102404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527078.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 302102404421 its reverse (124404201203), we get a palindrome (426506605624).

The spelling of 302102404421 in words is "three hundred two billion, one hundred two million, four hundred four thousand, four hundred twenty-one".