30102301312 has 128 divisors (see below), whose sum is σ = 64730016000. Its totient is φ = 13899165696.

The previous prime is 30102301301. The next prime is 30102301337. The reversal of 30102301312 is 21310320103.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×30102301312² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44463918 + ... + 44464594.

It is an arithmetic number, because the mean of its divisors is an integer number (505703250).

Almost surely, 2^30102301312 is an apocalyptic number.

30102301312 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 30102301312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32365008000).

30102301312 is an abundant number, since it is smaller than the sum of its proper divisors (34627714688).

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

30102301312 is a wasteful number, since it uses less digits than its factorization.

30102301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146 (or 1134 counting only the distinct ones).

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

Adding to 30102301312 its reverse (21310320103), we get a palindrome (51412621415).

The spelling of 30102301312 in words is "thirty billion, one hundred two million, three hundred one thousand, three hundred twelve".