187211350030 has 8 divisors (see below), whose sum is σ = 336980430072. Its totient is φ = 74884540008.

The previous prime is 187211350003. The next prime is 187211350033. The reversal of 187211350030 is 30053112781.

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 = 187211349974 and 187211350001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187211350033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9360567492 + ... + 9360567511.

It is an arithmetic number, because the mean of its divisors is an integer number (42122553759).

Almost surely, 2^187211350030 is an apocalyptic number.

187211350030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

187211350030 is a deficient number, since it is larger than the sum of its proper divisors (149769080042).

187211350030 is a wasteful number, since it uses less digits than its factorization.

187211350030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721135010.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 187211350030 in words is "one hundred eighty-seven billion, two hundred eleven million, three hundred fifty thousand, thirty".