30201445251242 has 4 divisors (see below), whose sum is σ = 45302167876866. Its totient is φ = 15100722625620.

The previous prime is 30201445251239. The next prime is 30201445251253. The reversal of 30201445251242 is 24215254410203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24959126719921 + 5242318531321 = 4995911^2 + 2289611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7550361312809 + ... + 7550361312812.

Almost surely, 2^{30201445251242} is an apocalyptic number.

30201445251242 is a deficient number, since it is larger than the sum of its proper divisors (15100722625624).

30201445251242 is a wasteful number, since it uses less digits than its factorization.

30201445251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15100722625623.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 30201445251242 its reverse (24215254410203), we get a palindrome (54416699661445).

The spelling of 30201445251242 in words is "thirty trillion, two hundred one billion, four hundred forty-five million, two hundred fifty-one thousand, two hundred forty-two".