30142233155 has 16 divisors (see below), whose sum is σ = 36246117600. Its totient is φ = 24063551232.

The previous prime is 30142233133. The next prime is 30142233167. The reversal of 30142233155 is 55133224103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30142233155 - 2⁸ = 30142232899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6481271 + ... + 6485919.

It is an arithmetic number, because the mean of its divisors is an integer number (2265382350).

Almost surely, 2^30142233155 is an apocalyptic number.

30142233155 is a deficient number, since it is larger than the sum of its proper divisors (6103884445).

30142233155 is a wasteful number, since it uses less digits than its factorization.

30142233155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 30142233155 its reverse (55133224103), we get a palindrome (85275457258).

The spelling of 30142233155 in words is "thirty billion, one hundred forty-two million, two hundred thirty-three thousand, one hundred fifty-five".