30303132021445 has 16 divisors (see below), whose sum is σ = 36548919597168. Its totient is φ = 24119068700160.

The previous prime is 30303132021329. The next prime is 30303132021473. The reversal of 30303132021445 is 54412023130303.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1409163674724 + 28893968346721 = 1187082^2 + 5375311^2 .

It is not a de Polignac number, because 30303132021445 - 2³⁷ = 30165693067973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74204257 + ... + 74611513.

It is an arithmetic number, because the mean of its divisors is an integer number (2284307474823).

Almost surely, 2^{30303132021445} is an apocalyptic number.

It is an amenable number.

30303132021445 is a deficient number, since it is larger than the sum of its proper divisors (6245787575723).

30303132021445 is a wasteful number, since it uses less digits than its factorization.

30303132021445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483000.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 30303132021445 its reverse (54412023130303), we get a palindrome (84715155151748).

The spelling of 30303132021445 in words is "thirty trillion, three hundred three billion, one hundred thirty-two million, twenty-one thousand, four hundred forty-five".