302130311312 has 20 divisors (see below), whose sum is σ = 597832319616. Its totient is φ = 147851003040.

The previous prime is 302130311309. The next prime is 302130311333. The reversal of 302130311312 is 213113031203.

It is a super-2 number, since 2×302130311312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200883764 + ... + 200885267.

Almost surely, 2^302130311312 is an apocalyptic number.

It is an amenable number.

302130311312 is a deficient number, since it is larger than the sum of its proper divisors (295702008304).

302130311312 is a wasteful number, since it uses less digits than its factorization.

302130311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401769086 (or 401769080 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 302130311312 its reverse (213113031203), we get a palindrome (515243342515).

The spelling of 302130311312 in words is "three hundred two billion, one hundred thirty million, three hundred eleven thousand, three hundred twelve".