30101312032 has 48 divisors (see below), whose sum is σ = 64818496512. Its totient is φ = 13646629120.

The previous prime is 30101312029. The next prime is 30101312041. The reversal of 30101312032 is 23021310103.

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

It is a junction number, because it is equal to n+sod(n) for n = 30101311997 and 30101312015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23178 + ... + 246454.

It is an arithmetic number, because the mean of its divisors is an integer number (1350385344).

Almost surely, 2^30101312032 is an apocalyptic number.

30101312032 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 30101312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32409248256).

30101312032 is an abundant number, since it is smaller than the sum of its proper divisors (34717184480).

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

30101312032 is a wasteful number, since it uses less digits than its factorization.

30101312032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223681 (or 223673 counting only the distinct ones).

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

Adding to 30101312032 its reverse (23021310103), we get a palindrome (53122622135).

The spelling of 30101312032 in words is "thirty billion, one hundred one million, three hundred twelve thousand, thirty-two".