302030031111312 has 40 divisors (see below), whose sum is σ = 891707710901056. Its totient is φ = 86294294603136.

The previous prime is 302030031111301. The next prime is 302030031111343. The reversal of 302030031111312 is 213111130030203.

It is a happy number.

It is a super-2 number, since 2×302030031111312² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449449450723 + ... + 449449451394.

Almost surely, 2^{302030031111312} is an apocalyptic number.

It is an amenable number.

302030031111312 is an abundant number, since it is smaller than the sum of its proper divisors (589677679789744).

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

302030031111312 is a wasteful number, since it uses less digits than its factorization.

302030031111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898898902135 (or 898898902129 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 302030031111312 its reverse (213111130030203), we get a palindrome (515141161141515).

The spelling of 302030031111312 in words is "three hundred two trillion, thirty billion, thirty-one million, one hundred eleven thousand, three hundred twelve".