30311312101120 has 144 divisors (see below), whose sum is σ = 73669263841152. Its totient is φ = 11947125473280.

The previous prime is 30311312101051. The next prime is 30311312101151. The reversal of 30311312101120 is 2110121311303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98986969 + ... + 99292711.

It is an arithmetic number, because the mean of its divisors is an integer number (511592110008).

Almost surely, 2^{30311312101120} 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 30311312101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36834631920576).

30311312101120 is an abundant number, since it is smaller than the sum of its proper divisors (43357951740032).

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

30311312101120 is a wasteful number, since it uses less digits than its factorization.

30311312101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306898 (or 306884 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 30311312101120 its reverse (2110121311303), we get a palindrome (32421433412423).

The spelling of 30311312101120 in words is "thirty trillion, three hundred eleven billion, three hundred twelve million, one hundred one thousand, one hundred twenty".