302030001021 has 32 divisors (see below), whose sum is σ = 471640619008. Its totient is φ = 168361934400.

The previous prime is 302030001011. The next prime is 302030001043. The reversal of 302030001021 is 120100030203.

It is a happy number.

It is not a de Polignac number, because 302030001021 - 2¹³ = 302029992829 is a prime.

It is a super-2 number, since 2×302030001021² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302030000988 and 302030001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302030001001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897130 + ... + 1186971.

It is an arithmetic number, because the mean of its divisors is an integer number (14738769344).

Almost surely, 2^302030001021 is an apocalyptic number.

It is an amenable number.

302030001021 is a deficient number, since it is larger than the sum of its proper divisors (169610617987).

302030001021 is a wasteful number, since it uses less digits than its factorization.

302030001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084281.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 302030001021 its reverse (120100030203), we get a palindrome (422130031224).

The spelling of 302030001021 in words is "three hundred two billion, thirty million, one thousand, twenty-one".