302112312030 has 40 divisors (see below), whose sum is σ = 812346441192. Its totient is φ = 80563282992.

The previous prime is 302112312017. The next prime is 302112312037. The reversal of 302112312030 is 30213211203.

It is a super-2 number, since 2×302112312030² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 302112311994 and 302112312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302112312037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 186488272 + ... + 186489891.

Almost surely, 2^302112312030 is an apocalyptic number.

302112312030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302112312030 is an abundant number, since it is smaller than the sum of its proper divisors (510234129162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302112312030 is a wasteful number, since it uses less digits than its factorization.

302112312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372978182 (or 372978173 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 302112312030 its reverse (30213211203), we get a palindrome (332325523233).

The spelling of 302112312030 in words is "three hundred two billion, one hundred twelve million, three hundred twelve thousand, thirty".