30102013442 has 4 divisors (see below), whose sum is σ = 45153020166. Its totient is φ = 15051006720.

The previous prime is 30102013391. The next prime is 30102013453. The reversal of 30102013442 is 24431020103.

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., 18629247121 + 11472766321 = 136489^2 + 107111^2 .

It is a super-2 number, since 2×30102013442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525503359 + ... + 7525503362.

Almost surely, 2^30102013442 is an apocalyptic number.

30102013442 is a deficient number, since it is larger than the sum of its proper divisors (15051006724).

30102013442 is a wasteful number, since it uses less digits than its factorization.

30102013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051006723.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30102013442 its reverse (24431020103), we get a palindrome (54533033545).

The spelling of 30102013442 in words is "thirty billion, one hundred two million, thirteen thousand, four hundred forty-two".