30542601243 has 32 divisors (see below), whose sum is σ = 50781450240. Its totient is φ = 15863369760.

The previous prime is 30542601239. The next prime is 30542601253. The reversal of 30542601243 is 34210624503.

It is not a de Polignac number, because 30542601243 - 2² = 30542601239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30542601243.

It is not an unprimeable number, because it can be changed into a prime (30542601223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1890546 + ... + 1906632.

It is an arithmetic number, because the mean of its divisors is an integer number (1586920320).

Almost surely, 2^30542601243 is an apocalyptic number.

30542601243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30542601243 is a deficient number, since it is larger than the sum of its proper divisors (20238848997).

30542601243 is a wasteful number, since it uses less digits than its factorization.

30542601243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24327.

The product of its (nonzero) digits is 17280, while the sum is 30.

It can be divided in two parts, 3054260 and 1243, that added together give a palindrome (3055503).

The spelling of 30542601243 in words is "thirty billion, five hundred forty-two million, six hundred one thousand, two hundred forty-three".