30103452152542 has 4 divisors (see below), whose sum is σ = 45155178228816. Its totient is φ = 15051726076270.

The previous prime is 30103452152537. The next prime is 30103452152597. The reversal of 30103452152542 is 24525125430103.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525863038134 + ... + 7525863038137.

It is an arithmetic number, because the mean of its divisors is an integer number (11288794557204).

Almost surely, 2^{30103452152542} is an apocalyptic number.

30103452152542 is a deficient number, since it is larger than the sum of its proper divisors (15051726076274).

30103452152542 is a wasteful number, since it uses less digits than its factorization.

30103452152542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051726076273.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 30103452152542 its reverse (24525125430103), we get a palindrome (54628577582645).

The spelling of 30103452152542 in words is "thirty trillion, one hundred three billion, four hundred fifty-two million, one hundred fifty-two thousand, five hundred forty-two".