30251355242 has 8 divisors (see below), whose sum is σ = 45386363232. Its totient is φ = 15122567500.

The previous prime is 30251355241. The next prime is 30251355257. The reversal of 30251355242 is 24255315203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30251355199 and 30251355208.

It is not an unprimeable number, because it can be changed into a prime (30251355241) 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, 1542884 + ... + 1562367.

It is an arithmetic number, because the mean of its divisors is an integer number (5673295404).

Almost surely, 2^30251355242 is an apocalyptic number.

30251355242 is a deficient number, since it is larger than the sum of its proper divisors (15135007990).

30251355242 is a wasteful number, since it uses less digits than its factorization.

30251355242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110124.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 30251355242 in words is "thirty billion, two hundred fifty-one million, three hundred fifty-five thousand, two hundred forty-two".