30310011312 has 160 divisors (see below), whose sum is σ = 91977684480. Its totient is φ = 8420751360.

The previous prime is 30310011311. The next prime is 30310011323. The reversal of 30310011312 is 21311001303.

It is a super-2 number, since 2×30310011312² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30310011291 and 30310011300.

It is not an unprimeable number, because it can be changed into a prime (30310011311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3304012 + ... + 3313172.

It is an arithmetic number, because the mean of its divisors is an integer number (574860528).

Almost surely, 2^30310011312 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 30310011312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45988842240).

30310011312 is an abundant number, since it is smaller than the sum of its proper divisors (61667673168).

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

30310011312 is a wasteful number, since it uses less digits than its factorization.

30310011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451 (or 9445 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30310011312 its reverse (21311001303), we get a palindrome (51621012615).

The spelling of 30310011312 in words is "thirty billion, three hundred ten million, eleven thousand, three hundred twelve".