30001321312 has 24 divisors (see below), whose sum is σ = 59088166200. Its totient is φ = 14994802944.

The previous prime is 30001321307. The next prime is 30001321331. The reversal of 30001321312 is 21312310003.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 99237 + ... + 264292.

It is an arithmetic number, because the mean of its divisors is an integer number (2462006925).

Almost surely, 2^30001321312 is an apocalyptic number.

30001321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30001321312 is a deficient number, since it is larger than the sum of its proper divisors (29086844888).

30001321312 is a wasteful number, since it uses less digits than its factorization.

30001321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366118 (or 366110 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30001321312 its reverse (21312310003), we get a palindrome (51313631315).

The spelling of 30001321312 in words is "thirty billion, one million, three hundred twenty-one thousand, three hundred twelve".