30103310112144 has 80 divisors (see below), whose sum is σ = 79235647647552. Its totient is φ = 9844925868544.

The previous prime is 30103310112143. The next prime is 30103310112181. The reversal of 30103310112144 is 44121101330103.

It is a happy number.

It is a super-2 number, since 2×30103310112144² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30103310112143) 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, 251381467 + ... + 251501189.

Almost surely, 2^{30103310112144} is an apocalyptic number.

It is an amenable number.

30103310112144 is an abundant number, since it is smaller than the sum of its proper divisors (49132337535408).

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

30103310112144 is a wasteful number, since it uses less digits than its factorization.

30103310112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218624 (or 218618 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 30103310112144 its reverse (44121101330103), we get a palindrome (74224411442247).

The spelling of 30103310112144 in words is "thirty trillion, one hundred three billion, three hundred ten million, one hundred twelve thousand, one hundred forty-four".