30140011431220 has 24 divisors (see below), whose sum is σ = 63453454813224. Its totient is φ = 12025636799616.

The previous prime is 30140011431217. The next prime is 30140011431227. The reversal of 30140011431220 is 2213411004103.

It can be written as a sum of positive squares in 4 ways, for example, as 8070724173604 + 22069287257616 = 2840902^2 + 4697796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30140011431191 and 30140011431200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140011431227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897977667 + ... + 1897993546.

It is an arithmetic number, because the mean of its divisors is an integer number (2643893950551).

Almost surely, 2^{30140011431220} is an apocalyptic number.

It is an amenable number.

30140011431220 is an abundant number, since it is smaller than the sum of its proper divisors (33313443382004).

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

30140011431220 is a wasteful number, since it uses less digits than its factorization.

30140011431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795971619 (or 3795971617 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 30140011431220 its reverse (2213411004103), we get a palindrome (32353422435323).

The spelling of 30140011431220 in words is "thirty trillion, one hundred forty billion, eleven million, four hundred thirty-one thousand, two hundred twenty".