30503442102140 has 48 divisors (see below), whose sum is σ = 73216150436352. Its totient is φ = 10457195950656.

The previous prime is 30503442102071. The next prime is 30503442102149. The reversal of 30503442102140 is 4120124430503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503442102149) 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, 10435904 + ... + 13035143.

It is an arithmetic number, because the mean of its divisors is an integer number (1525336467424).

Almost surely, 2^{30503442102140} is an apocalyptic number.

It is an amenable number.

30503442102140 is an abundant number, since it is smaller than the sum of its proper divisors (42712708334212).

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

30503442102140 is a wasteful number, since it uses less digits than its factorization.

30503442102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480346 (or 23480344 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 30503442102140 its reverse (4120124430503), we get a palindrome (34623566532643).

The spelling of 30503442102140 in words is "thirty trillion, five hundred three billion, four hundred forty-two million, one hundred two thousand, one hundred forty".