30155653243 has 4 divisors (see below), whose sum is σ = 30160661040. Its totient is φ = 30150645448.

The previous prime is 30155653237. The next prime is 30155653247. The reversal of 30155653243 is 34235655103.

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

It is a cyclic number.

It is not a de Polignac number, because 30155653243 - 2³³ = 21565718651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30155653247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494855 + ... + 2506912.

It is an arithmetic number, because the mean of its divisors is an integer number (7540165260).

Almost surely, 2^30155653243 is an apocalyptic number.

30155653243 is a deficient number, since it is larger than the sum of its proper divisors (5007797).

30155653243 is an equidigital number, since it uses as much as digits as its factorization.

30155653243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007796.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 30155653243 in words is "thirty billion, one hundred fifty-five million, six hundred fifty-three thousand, two hundred forty-three".