302421031 has 8 divisors (see below), whose sum is σ = 330422400. Its totient is φ = 274504440.

The previous prime is 302421011. The next prime is 302421059. The reversal of 302421031 is 130124203.

It is a happy number.

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-302421031 is a prime.

It is a super-2 number, since 2×302421031² = 182916959982205922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302420996 and 302421014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302421011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13611 + ... + 28108.

It is an arithmetic number, because the mean of its divisors is an integer number (41302800).

Almost surely, 2^302421031 is an apocalyptic number.

302421031 is a deficient number, since it is larger than the sum of its proper divisors (28001369).

302421031 is a wasteful number, since it uses less digits than its factorization.

302421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42389.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 302421031 is about 17390.2567836131. The cubic root of 302421031 is about 671.2289251706.

Adding to 302421031 its reverse (130124203), we get a palindrome (432545234).

The spelling of 302421031 in words is "three hundred two million, four hundred twenty-one thousand, thirty-one".