30311320211300 has 288 divisors, whose sum is σ = 71421566227200. Its totient is φ = 11130013440000.

The previous prime is 30311320211261. The next prime is 30311320211321. The reversal of 30311320211300 is 311202311303.

It is a super-2 number, since 2×30311320211300² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4281861161 + ... + 4281868239.

It is an arithmetic number, because the mean of its divisors is an integer number (247991549400).

Almost surely, 2^{30311320211300} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30311320211300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35710783113600).

30311320211300 is an abundant number, since it is smaller than the sum of its proper divisors (41110246015900).

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

30311320211300 is a wasteful number, since it uses less digits than its factorization.

30311320211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687 (or 7680 counting only the distinct ones).

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

Adding to 30311320211300 its reverse (311202311303), we get a palindrome (30622522522603).

The spelling of 30311320211300 in words is "thirty trillion, three hundred eleven billion, three hundred twenty million, two hundred eleven thousand, three hundred".