30013101312 has 144 divisors (see below), whose sum is σ = 83870552640. Its totient is φ = 9514745856.

The previous prime is 30013101311. The next prime is 30013101317. The reversal of 30013101312 is 21310131003.

It is a super-2 number, since 2×30013101312² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30013101291 and 30013101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013101311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482168 + ... + 1502280.

Almost surely, 2^30013101312 is an apocalyptic number.

30013101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30013101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41935276320).

30013101312 is an abundant number, since it is smaller than the sum of its proper divisors (53857451328).

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

30013101312 is a wasteful number, since it uses less digits than its factorization.

30013101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20228 (or 20214 counting only the distinct ones).

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

Adding to 30013101312 its reverse (21310131003), we get a palindrome (51323232315).

The spelling of 30013101312 in words is "thirty billion, thirteen million, one hundred one thousand, three hundred twelve".