302421431 has 8 divisors (see below), whose sum is σ = 327122544. Its totient is φ = 277925760.

The previous prime is 302421421. The next prime is 302421439. The reversal of 302421431 is 134124203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302421431 is a prime.

It is a super-2 number, since 2×302421431² = 182917443856175522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302421439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48290 + ... + 54191.

It is an arithmetic number, because the mean of its divisors is an integer number (40890318).

Almost surely, 2^302421431 is an apocalyptic number.

302421431 is a deficient number, since it is larger than the sum of its proper divisors (24701113).

302421431 is a wasteful number, since it uses less digits than its factorization.

302421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102721.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 302421431 is about 17390.2682843020. The cubic root of 302421431 is about 671.2292211062.

Adding to 302421431 its reverse (134124203), we get a palindrome (436545634).

The spelling of 302421431 in words is "three hundred two million, four hundred twenty-one thousand, four hundred thirty-one".