30148112390 has 16 divisors (see below), whose sum is σ = 59199930000. Its totient is φ = 10962949920.

The previous prime is 30148112369. The next prime is 30148112419. The reversal of 30148112390 is 9321184103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137036765 + ... + 137036984.

It is an arithmetic number, because the mean of its divisors is an integer number (3699995625).

Almost surely, 2^30148112390 is an apocalyptic number.

30148112390 is a deficient number, since it is larger than the sum of its proper divisors (29051817610).

30148112390 is a wasteful number, since it uses less digits than its factorization.

30148112390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274073767.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 30148112390 its reverse (9321184103), we get a palindrome (39469296493).

The spelling of 30148112390 in words is "thirty billion, one hundred forty-eight million, one hundred twelve thousand, three hundred ninety".